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Finding the Third Proportional to 978,135.75 and 1,438,867.55

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Solution

The third proportional to 978,135.75 and 1,438,867.55 is: 2,116,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,135.75 : 1,438,867.55 = 1,438,867.55 : x
  2. Step 2: Convert to fraction form
    978,135.75/1,438,867.55 = 1,438,867.55/x
  3. Step 3: Cross multiply
    978,135.75x = 1,438,867.55 × 1,438,867.55
  4. Step 4: Simplify right side
    978,135.75x = 2,070,339,817,450.08
  5. Step 5: Solve for x
    x = 2,070,339,817,450.08/978,135.75
  6. Step 6: Final answer
    x = 2,116,618.08

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