Finding the Third Proportional to 250,492 and 387,926

Step by Step Solution

1. Step 1: Write the proportion equation
   250,492 : 387,926 = 387,926 : x
2. Step 2: Convert to fraction form
   250,492/387,926 = 387,926/x
3. Step 3: Cross multiply
   250,492x = 387,926 × 387,926
4. Step 4: Simplify right side
   250,492x = 150,486,581,476
5. Step 5: Solve for x
   x = 150,486,581,476/250,492
6. Step 6: Final answer
   x = 600,764.02