Finding the Third Proportional to 120,451.50 and 254,466

Step by Step Solution

1. Step 1: Write the proportion equation
   120,451.50 : 254,466 = 254,466 : x
2. Step 2: Convert to fraction form
   120,451.50/254,466 = 254,466/x
3. Step 3: Cross multiply
   120,451.50x = 254,466 × 254,466
4. Step 4: Simplify right side
   120,451.50x = 64,752,945,156
5. Step 5: Solve for x
   x = 64,752,945,156/120,451.50
6. Step 6: Final answer
   x = 537,585.21