Finding the Third Proportional to 79,714.13 and 107,785.69

Step by Step Solution

1. Step 1: Write the proportion equation
   79,714.13 : 107,785.69 = 107,785.69 : x
2. Step 2: Convert to fraction form
   79,714.13/107,785.69 = 107,785.69/x
3. Step 3: Cross multiply
   79,714.13x = 107,785.69 × 107,785.69
4. Step 4: Simplify right side
   79,714.13x = 11,617,754,429.85
5. Step 5: Solve for x
   x = 11,617,754,429.85/79,714.13
6. Step 6: Final answer
   x = 145,742.73