Finding the Third Proportional to 39,646.88 and 57,981.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,646.88 : 57,981.75 = 57,981.75 : x
2. Step 2: Convert to fraction form
   39,646.88/57,981.75 = 57,981.75/x
3. Step 3: Cross multiply
   39,646.88x = 57,981.75 × 57,981.75
4. Step 4: Simplify right side
   39,646.88x = 3,361,883,333.06
5. Step 5: Solve for x
   x = 3,361,883,333.06/39,646.88
6. Step 6: Final answer
   x = 84,795.67