Finding the Third Proportional to 333,397.50 and 720,105

Step by Step Solution

1. Step 1: Write the proportion equation
   333,397.50 : 720,105 = 720,105 : x
2. Step 2: Convert to fraction form
   333,397.50/720,105 = 720,105/x
3. Step 3: Cross multiply
   333,397.50x = 720,105 × 720,105
4. Step 4: Simplify right side
   333,397.50x = 518,551,211,025
5. Step 5: Solve for x
   x = 518,551,211,025/333,397.50
6. Step 6: Final answer
   x = 1,555,354.23