Finding the Third Proportional to 53,065.13 and 83,161.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,065.13 : 83,161.69 = 83,161.69 : x
2. Step 2: Convert to fraction form
   53,065.13/83,161.69 = 83,161.69/x
3. Step 3: Cross multiply
   53,065.13x = 83,161.69 × 83,161.69
4. Step 4: Simplify right side
   53,065.13x = 6,915,866,267.85
5. Step 5: Solve for x
   x = 6,915,866,267.85/53,065.13
6. Step 6: Final answer
   x = 130,327.90