Finding the Third Proportional to 329,022 and 718,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,022 : 718,267.50 = 718,267.50 : x
2. Step 2: Convert to fraction form
   329,022/718,267.50 = 718,267.50/x
3. Step 3: Cross multiply
   329,022x = 718,267.50 × 718,267.50
4. Step 4: Simplify right side
   329,022x = 515,908,201,556.25
5. Step 5: Solve for x
   x = 515,908,201,556.25/329,022
6. Step 6: Final answer
   x = 1,568,005.18