Finding the Third Proportional to 62,306.72 and 137,074.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,306.72 : 137,074.78 = 137,074.78 : x
2. Step 2: Convert to fraction form
   62,306.72/137,074.78 = 137,074.78/x
3. Step 3: Cross multiply
   62,306.72x = 137,074.78 × 137,074.78
4. Step 4: Simplify right side
   62,306.72x = 18,789,495,654.74
5. Step 5: Solve for x
   x = 18,789,495,654.74/62,306.72
6. Step 6: Final answer
   x = 301,564.52