Finding the Third Proportional to 175,822 and 387,500

Step by Step Solution

1. Step 1: Write the proportion equation
   175,822 : 387,500 = 387,500 : x
2. Step 2: Convert to fraction form
   175,822/387,500 = 387,500/x
3. Step 3: Cross multiply
   175,822x = 387,500 × 387,500
4. Step 4: Simplify right side
   175,822x = 150,156,250,000
5. Step 5: Solve for x
   x = 150,156,250,000/175,822
6. Step 6: Final answer
   x = 854,024.24