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Finding the Third Proportional to 978,668 and 1,430,236

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Solution

The third proportional to 978,668 and 1,430,236 is: 2,090,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,668 : 1,430,236 = 1,430,236 : x
  2. Step 2: Convert to fraction form
    978,668/1,430,236 = 1,430,236/x
  3. Step 3: Cross multiply
    978,668x = 1,430,236 × 1,430,236
  4. Step 4: Simplify right side
    978,668x = 2,045,575,015,696
  5. Step 5: Solve for x
    x = 2,045,575,015,696/978,668
  6. Step 6: Final answer
    x = 2,090,162.36

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