Finding the Third Proportional to 329,566.50 and 708,813

Step by Step Solution

1. Step 1: Write the proportion equation
   329,566.50 : 708,813 = 708,813 : x
2. Step 2: Convert to fraction form
   329,566.50/708,813 = 708,813/x
3. Step 3: Cross multiply
   329,566.50x = 708,813 × 708,813
4. Step 4: Simplify right side
   329,566.50x = 502,415,868,969
5. Step 5: Solve for x
   x = 502,415,868,969/329,566.50
6. Step 6: Final answer
   x = 1,524,474.94