Finding the Third Proportional to 39,811.50 and 57,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,811.50 : 57,550.50 = 57,550.50 : x
2. Step 2: Convert to fraction form
   39,811.50/57,550.50 = 57,550.50/x
3. Step 3: Cross multiply
   39,811.50x = 57,550.50 × 57,550.50
4. Step 4: Simplify right side
   39,811.50x = 3,312,060,050.25
5. Step 5: Solve for x
   x = 3,312,060,050.25/39,811.50
6. Step 6: Final answer
   x = 83,193.55