Finding the Third Proportional to 79,557.19 and 108,109.69

Step by Step Solution

1. Step 1: Write the proportion equation
   79,557.19 : 108,109.69 = 108,109.69 : x
2. Step 2: Convert to fraction form
   79,557.19/108,109.69 = 108,109.69/x
3. Step 3: Cross multiply
   79,557.19x = 108,109.69 × 108,109.69
4. Step 4: Simplify right side
   79,557.19x = 11,687,704,531.35
5. Step 5: Solve for x
   x = 11,687,704,531.35/79,557.19
6. Step 6: Final answer
   x = 146,909.47