Finding the Third Proportional to 60,700.13 and 89,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,700.13 : 89,872.50 = 89,872.50 : x
2. Step 2: Convert to fraction form
   60,700.13/89,872.50 = 89,872.50/x
3. Step 3: Cross multiply
   60,700.13x = 89,872.50 × 89,872.50
4. Step 4: Simplify right side
   60,700.13x = 8,077,066,256.25
5. Step 5: Solve for x
   x = 8,077,066,256.25/60,700.13
6. Step 6: Final answer
   x = 133,065.07