Finding the Third Proportional to 80,109.55 and 120,423.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,109.55 : 120,423.82 = 120,423.82 : x
2. Step 2: Convert to fraction form
   80,109.55/120,423.82 = 120,423.82/x
3. Step 3: Cross multiply
   80,109.55x = 120,423.82 × 120,423.82
4. Step 4: Simplify right side
   80,109.55x = 14,501,897,204.27
5. Step 5: Solve for x
   x = 14,501,897,204.27/80,109.55
6. Step 6: Final answer
   x = 181,025.81