Finding the Third Proportional to 304,092 and 647,550

Step by Step Solution

1. Step 1: Write the proportion equation
   304,092 : 647,550 = 647,550 : x
2. Step 2: Convert to fraction form
   304,092/647,550 = 647,550/x
3. Step 3: Cross multiply
   304,092x = 647,550 × 647,550
4. Step 4: Simplify right side
   304,092x = 419,321,002,500
5. Step 5: Solve for x
   x = 419,321,002,500/304,092
6. Step 6: Final answer
   x = 1,378,928.10