Finding the Third Proportional to 250,470 and 387,882

Step by Step Solution

1. Step 1: Write the proportion equation
   250,470 : 387,882 = 387,882 : x
2. Step 2: Convert to fraction form
   250,470/387,882 = 387,882/x
3. Step 3: Cross multiply
   250,470x = 387,882 × 387,882
4. Step 4: Simplify right side
   250,470x = 150,452,445,924
5. Step 5: Solve for x
   x = 150,452,445,924/250,470
6. Step 6: Final answer
   x = 600,680.50