Finding the Third Proportional to 402,480 and 544,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,480 : 544,669.50 = 544,669.50 : x
2. Step 2: Convert to fraction form
   402,480/544,669.50 = 544,669.50/x
3. Step 3: Cross multiply
   402,480x = 544,669.50 × 544,669.50
4. Step 4: Simplify right side
   402,480x = 296,664,864,230.25
5. Step 5: Solve for x
   x = 296,664,864,230.25/402,480
6. Step 6: Final answer
   x = 737,092.19