Finding the Third Proportional to 71,231.91 and 112,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,231.91 : 112,792.50 = 112,792.50 : x
2. Step 2: Convert to fraction form
   71,231.91/112,792.50 = 112,792.50/x
3. Step 3: Cross multiply
   71,231.91x = 112,792.50 × 112,792.50
4. Step 4: Simplify right side
   71,231.91x = 12,722,148,056.25
5. Step 5: Solve for x
   x = 12,722,148,056.25/71,231.91
6. Step 6: Final answer
   x = 178,601.82