Finding the Third Proportional to 65,872.50 and 155,451

Step by Step Solution

1. Step 1: Write the proportion equation
   65,872.50 : 155,451 = 155,451 : x
2. Step 2: Convert to fraction form
   65,872.50/155,451 = 155,451/x
3. Step 3: Cross multiply
   65,872.50x = 155,451 × 155,451
4. Step 4: Simplify right side
   65,872.50x = 24,165,013,401
5. Step 5: Solve for x
   x = 24,165,013,401/65,872.50
6. Step 6: Final answer
   x = 366,845.24