Finding the Third Proportional to 53,517.75 and 83,340.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,517.75 : 83,340.75 = 83,340.75 : x
2. Step 2: Convert to fraction form
   53,517.75/83,340.75 = 83,340.75/x
3. Step 3: Cross multiply
   53,517.75x = 83,340.75 × 83,340.75
4. Step 4: Simplify right side
   53,517.75x = 6,945,680,610.56
5. Step 5: Solve for x
   x = 6,945,680,610.56/53,517.75
6. Step 6: Final answer
   x = 129,782.75