Finding the Third Proportional to 64,081.13 and 96,121.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,081.13 : 96,121.69 = 96,121.69 : x
2. Step 2: Convert to fraction form
   64,081.13/96,121.69 = 96,121.69/x
3. Step 3: Cross multiply
   64,081.13x = 96,121.69 × 96,121.69
4. Step 4: Simplify right side
   64,081.13x = 9,239,378,807.85
5. Step 5: Solve for x
   x = 9,239,378,807.85/64,081.13
6. Step 6: Final answer
   x = 144,182.53