Finding the Third Proportional to 207,165.50 and 323,340

Step by Step Solution

1. Step 1: Write the proportion equation
   207,165.50 : 323,340 = 323,340 : x
2. Step 2: Convert to fraction form
   207,165.50/323,340 = 323,340/x
3. Step 3: Cross multiply
   207,165.50x = 323,340 × 323,340
4. Step 4: Simplify right side
   207,165.50x = 104,548,755,600
5. Step 5: Solve for x
   x = 104,548,755,600/207,165.50
6. Step 6: Final answer
   x = 504,662.97