Finding the Third Proportional to 60,661.50 and 131,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,661.50 : 131,802.50 = 131,802.50 : x
2. Step 2: Convert to fraction form
   60,661.50/131,802.50 = 131,802.50/x
3. Step 3: Cross multiply
   60,661.50x = 131,802.50 × 131,802.50
4. Step 4: Simplify right side
   60,661.50x = 17,371,899,006.25
5. Step 5: Solve for x
   x = 17,371,899,006.25/60,661.50
6. Step 6: Final answer
   x = 286,374.37