Finding the Third Proportional to 354,724.50 and 726,024

Step by Step Solution

1. Step 1: Write the proportion equation
   354,724.50 : 726,024 = 726,024 : x
2. Step 2: Convert to fraction form
   354,724.50/726,024 = 726,024/x
3. Step 3: Cross multiply
   354,724.50x = 726,024 × 726,024
4. Step 4: Simplify right side
   354,724.50x = 527,110,848,576
5. Step 5: Solve for x
   x = 527,110,848,576/354,724.50
6. Step 6: Final answer
   x = 1,485,972.49