Finding the Third Proportional to 448,456.50 and 604,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,456.50 : 604,165.50 = 604,165.50 : x
2. Step 2: Convert to fraction form
   448,456.50/604,165.50 = 604,165.50/x
3. Step 3: Cross multiply
   448,456.50x = 604,165.50 × 604,165.50
4. Step 4: Simplify right side
   448,456.50x = 365,015,951,390.25
5. Step 5: Solve for x
   x = 365,015,951,390.25/448,456.50
6. Step 6: Final answer
   x = 813,938.37