Finding the Third Proportional to 333,379.50 and 720,069

Step by Step Solution

1. Step 1: Write the proportion equation
   333,379.50 : 720,069 = 720,069 : x
2. Step 2: Convert to fraction form
   333,379.50/720,069 = 720,069/x
3. Step 3: Cross multiply
   333,379.50x = 720,069 × 720,069
4. Step 4: Simplify right side
   333,379.50x = 518,499,364,761
5. Step 5: Solve for x
   x = 518,499,364,761/333,379.50
6. Step 6: Final answer
   x = 1,555,282.69