Finding the Third Proportional to 53,416.13 and 82,707.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,416.13 : 82,707.75 = 82,707.75 : x
2. Step 2: Convert to fraction form
   53,416.13/82,707.75 = 82,707.75/x
3. Step 3: Cross multiply
   53,416.13x = 82,707.75 × 82,707.75
4. Step 4: Simplify right side
   53,416.13x = 6,840,571,910.06
5. Step 5: Solve for x
   x = 6,840,571,910.06/53,416.13
6. Step 6: Final answer
   x = 128,061.93