Finding the Third Proportional to 57,103.73 and 83,707.17

Step by Step Solution

1. Step 1: Write the proportion equation
   57,103.73 : 83,707.17 = 83,707.17 : x
2. Step 2: Convert to fraction form
   57,103.73/83,707.17 = 83,707.17/x
3. Step 3: Cross multiply
   57,103.73x = 83,707.17 × 83,707.17
4. Step 4: Simplify right side
   57,103.73x = 7,006,890,623.31
5. Step 5: Solve for x
   x = 7,006,890,623.31/57,103.73
6. Step 6: Final answer
   x = 122,704.60