Finding the Third Proportional to 531,792 and 798,072.75

Step by Step Solution

1. Step 1: Write the proportion equation
   531,792 : 798,072.75 = 798,072.75 : x
2. Step 2: Convert to fraction form
   531,792/798,072.75 = 798,072.75/x
3. Step 3: Cross multiply
   531,792x = 798,072.75 × 798,072.75
4. Step 4: Simplify right side
   531,792x = 636,920,114,292.56
5. Step 5: Solve for x
   x = 636,920,114,292.56/531,792
6. Step 6: Final answer
   x = 1,197,686.53