Finding the Third Proportional to 250,333.50 and 387,869.25

Step by Step Solution

1. Step 1: Write the proportion equation
   250,333.50 : 387,869.25 = 387,869.25 : x
2. Step 2: Convert to fraction form
   250,333.50/387,869.25 = 387,869.25/x
3. Step 3: Cross multiply
   250,333.50x = 387,869.25 × 387,869.25
4. Step 4: Simplify right side
   250,333.50x = 150,442,555,095.56
5. Step 5: Solve for x
   x = 150,442,555,095.56/250,333.50
6. Step 6: Final answer
   x = 600,968.53