Finding the Third Proportional to 250,452 and 387,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,452 : 387,868.50 = 387,868.50 : x
2. Step 2: Convert to fraction form
   250,452/387,868.50 = 387,868.50/x
3. Step 3: Cross multiply
   250,452x = 387,868.50 × 387,868.50
4. Step 4: Simplify right side
   250,452x = 150,441,973,292.25
5. Step 5: Solve for x
   x = 150,441,973,292.25/250,452
6. Step 6: Final answer
   x = 600,681.86