Finding the Third Proportional to 304,744.78 and 648,832.78

Step by Step Solution

1. Step 1: Write the proportion equation
   304,744.78 : 648,832.78 = 648,832.78 : x
2. Step 2: Convert to fraction form
   304,744.78/648,832.78 = 648,832.78/x
3. Step 3: Cross multiply
   304,744.78x = 648,832.78 × 648,832.78
4. Step 4: Simplify right side
   304,744.78x = 420,983,978,024.61
5. Step 5: Solve for x
   x = 420,983,978,024.61/304,744.78
6. Step 6: Final answer
   x = 1,381,431.30