Finding the Third Proportional to 39,400.50 and 57,804.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,400.50 : 57,804.75 = 57,804.75 : x
2. Step 2: Convert to fraction form
   39,400.50/57,804.75 = 57,804.75/x
3. Step 3: Cross multiply
   39,400.50x = 57,804.75 × 57,804.75
4. Step 4: Simplify right side
   39,400.50x = 3,341,389,122.56
5. Step 5: Solve for x
   x = 3,341,389,122.56/39,400.50
6. Step 6: Final answer
   x = 84,805.75