Finding the Third Proportional to 392,550 and 851,484

Step by Step Solution

1. Step 1: Write the proportion equation
   392,550 : 851,484 = 851,484 : x
2. Step 2: Convert to fraction form
   392,550/851,484 = 851,484/x
3. Step 3: Cross multiply
   392,550x = 851,484 × 851,484
4. Step 4: Simplify right side
   392,550x = 725,025,002,256
5. Step 5: Solve for x
   x = 725,025,002,256/392,550
6. Step 6: Final answer
   x = 1,846,962.18