Finding the Third Proportional to 57,107.25 and 83,712.94

Step by Step Solution

1. Step 1: Write the proportion equation
   57,107.25 : 83,712.94 = 83,712.94 : x
2. Step 2: Convert to fraction form
   57,107.25/83,712.94 = 83,712.94/x
3. Step 3: Cross multiply
   57,107.25x = 83,712.94 × 83,712.94
4. Step 4: Simplify right side
   57,107.25x = 7,007,855,904.88
5. Step 5: Solve for x
   x = 7,007,855,904.88/57,107.25
6. Step 6: Final answer
   x = 122,713.94