Finding the Third Proportional to 57,759.75 and 84,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,759.75 : 84,766.50 = 84,766.50 : x
2. Step 2: Convert to fraction form
   57,759.75/84,766.50 = 84,766.50/x
3. Step 3: Cross multiply
   57,759.75x = 84,766.50 × 84,766.50
4. Step 4: Simplify right side
   57,759.75x = 7,185,359,522.25
5. Step 5: Solve for x
   x = 7,185,359,522.25/57,759.75
6. Step 6: Final answer
   x = 124,400.81