Finding the Third Proportional to 71,860.50 and 108,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,860.50 : 108,792.50 = 108,792.50 : x
2. Step 2: Convert to fraction form
   71,860.50/108,792.50 = 108,792.50/x
3. Step 3: Cross multiply
   71,860.50x = 108,792.50 × 108,792.50
4. Step 4: Simplify right side
   71,860.50x = 11,835,808,056.25
5. Step 5: Solve for x
   x = 11,835,808,056.25/71,860.50
6. Step 6: Final answer
   x = 164,705.34