Finding the Third Proportional to 329,569.50 and 708,819

Step by Step Solution

1. Step 1: Write the proportion equation
   329,569.50 : 708,819 = 708,819 : x
2. Step 2: Convert to fraction form
   329,569.50/708,819 = 708,819/x
3. Step 3: Cross multiply
   329,569.50x = 708,819 × 708,819
4. Step 4: Simplify right side
   329,569.50x = 502,424,374,761
5. Step 5: Solve for x
   x = 502,424,374,761/329,569.50
6. Step 6: Final answer
   x = 1,524,486.87