Finding the Third Proportional to 267,016.50 and 413,310

Step by Step Solution

1. Step 1: Write the proportion equation
   267,016.50 : 413,310 = 413,310 : x
2. Step 2: Convert to fraction form
   267,016.50/413,310 = 413,310/x
3. Step 3: Cross multiply
   267,016.50x = 413,310 × 413,310
4. Step 4: Simplify right side
   267,016.50x = 170,825,156,100
5. Step 5: Solve for x
   x = 170,825,156,100/267,016.50
6. Step 6: Final answer
   x = 639,755.06