Finding the Third Proportional to 153,451.50 and 358,452

Step by Step Solution

1. Step 1: Write the proportion equation
   153,451.50 : 358,452 = 358,452 : x
2. Step 2: Convert to fraction form
   153,451.50/358,452 = 358,452/x
3. Step 3: Cross multiply
   153,451.50x = 358,452 × 358,452
4. Step 4: Simplify right side
   153,451.50x = 128,487,836,304
5. Step 5: Solve for x
   x = 128,487,836,304/153,451.50
6. Step 6: Final answer
   x = 837,318.87