Finding the Third Proportional to 60,819.75 and 91,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,819.75 : 91,957.50 = 91,957.50 : x
2. Step 2: Convert to fraction form
   60,819.75/91,957.50 = 91,957.50/x
3. Step 3: Cross multiply
   60,819.75x = 91,957.50 × 91,957.50
4. Step 4: Simplify right side
   60,819.75x = 8,456,181,806.25
5. Step 5: Solve for x
   x = 8,456,181,806.25/60,819.75
6. Step 6: Final answer
   x = 139,036.77