Finding the Third Proportional to 207,982.50 and 329,046

Step by Step Solution

1. Step 1: Write the proportion equation
   207,982.50 : 329,046 = 329,046 : x
2. Step 2: Convert to fraction form
   207,982.50/329,046 = 329,046/x
3. Step 3: Cross multiply
   207,982.50x = 329,046 × 329,046
4. Step 4: Simplify right side
   207,982.50x = 108,271,270,116
5. Step 5: Solve for x
   x = 108,271,270,116/207,982.50
6. Step 6: Final answer
   x = 520,578.75