Finding the Third Proportional to 60,916.50 and 91,374.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,916.50 : 91,374.75 = 91,374.75 : x
2. Step 2: Convert to fraction form
   60,916.50/91,374.75 = 91,374.75/x
3. Step 3: Cross multiply
   60,916.50x = 91,374.75 × 91,374.75
4. Step 4: Simplify right side
   60,916.50x = 8,349,344,937.56
5. Step 5: Solve for x
   x = 8,349,344,937.56/60,916.50
6. Step 6: Final answer
   x = 137,062.13