Finding the Third Proportional to 267,434.50 and 392,966

Step by Step Solution

1. Step 1: Write the proportion equation
   267,434.50 : 392,966 = 392,966 : x
2. Step 2: Convert to fraction form
   267,434.50/392,966 = 392,966/x
3. Step 3: Cross multiply
   267,434.50x = 392,966 × 392,966
4. Step 4: Simplify right side
   267,434.50x = 154,422,277,156
5. Step 5: Solve for x
   x = 154,422,277,156/267,434.50
6. Step 6: Final answer
   x = 577,420.93