Finding the Third Proportional to 68,792.50 and 91,732.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,792.50 : 91,732.25 = 91,732.25 : x
2. Step 2: Convert to fraction form
   68,792.50/91,732.25 = 91,732.25/x
3. Step 3: Cross multiply
   68,792.50x = 91,732.25 × 91,732.25
4. Step 4: Simplify right side
   68,792.50x = 8,414,805,690.06
5. Step 5: Solve for x
   x = 8,414,805,690.06/68,792.50
6. Step 6: Final answer
   x = 122,321.56