Finding the Third Proportional to 337,392 and 718,500

Step by Step Solution

1. Step 1: Write the proportion equation
   337,392 : 718,500 = 718,500 : x
2. Step 2: Convert to fraction form
   337,392/718,500 = 718,500/x
3. Step 3: Cross multiply
   337,392x = 718,500 × 718,500
4. Step 4: Simplify right side
   337,392x = 516,242,250,000
5. Step 5: Solve for x
   x = 516,242,250,000/337,392
6. Step 6: Final answer
   x = 1,530,096.30