Finding the Third Proportional to 54,539.63 and 80,013.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,539.63 : 80,013.38 = 80,013.38 : x
2. Step 2: Convert to fraction form
   54,539.63/80,013.38 = 80,013.38/x
3. Step 3: Cross multiply
   54,539.63x = 80,013.38 × 80,013.38
4. Step 4: Simplify right side
   54,539.63x = 6,402,140,178.89
5. Step 5: Solve for x
   x = 6,402,140,178.89/54,539.63
6. Step 6: Final answer
   x = 117,385.12