Finding the Third Proportional to 452,792 and 663,144

Step by Step Solution

1. Step 1: Write the proportion equation
   452,792 : 663,144 = 663,144 : x
2. Step 2: Convert to fraction form
   452,792/663,144 = 663,144/x
3. Step 3: Cross multiply
   452,792x = 663,144 × 663,144
4. Step 4: Simplify right side
   452,792x = 439,759,964,736
5. Step 5: Solve for x
   x = 439,759,964,736/452,792
6. Step 6: Final answer
   x = 971,218.49