Finding the Third Proportional to 329,941.69 and 722,947.78

Step by Step Solution

1. Step 1: Write the proportion equation
   329,941.69 : 722,947.78 = 722,947.78 : x
2. Step 2: Convert to fraction form
   329,941.69/722,947.78 = 722,947.78/x
3. Step 3: Cross multiply
   329,941.69x = 722,947.78 × 722,947.78
4. Step 4: Simplify right side
   329,941.69x = 522,653,494,414.30
5. Step 5: Solve for x
   x = 522,653,494,414.30/329,941.69
6. Step 6: Final answer
   x = 1,584,078.38