Finding the Third Proportional to 39,520.69 and 57,801.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,520.69 : 57,801.94 = 57,801.94 : x
2. Step 2: Convert to fraction form
   39,520.69/57,801.94 = 57,801.94/x
3. Step 3: Cross multiply
   39,520.69x = 57,801.94 × 57,801.94
4. Step 4: Simplify right side
   39,520.69x = 3,341,063,978.75
5. Step 5: Solve for x
   x = 3,341,063,978.75/39,520.69
6. Step 6: Final answer
   x = 84,539.62