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Finding the Third Proportional to 978,646.50 and 2,149,749

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Solution

The third proportional to 978,646.50 and 2,149,749 is: 4,722,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,646.50 : 2,149,749 = 2,149,749 : x
  2. Step 2: Convert to fraction form
    978,646.50/2,149,749 = 2,149,749/x
  3. Step 3: Cross multiply
    978,646.50x = 2,149,749 × 2,149,749
  4. Step 4: Simplify right side
    978,646.50x = 4,621,420,763,001
  5. Step 5: Solve for x
    x = 4,621,420,763,001/978,646.50
  6. Step 6: Final answer
    x = 4,722,257.49

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