Finding the Third Proportional to 517,605 and 1,131,438

Step by Step Solution

1. Step 1: Write the proportion equation
   517,605 : 1,131,438 = 1,131,438 : x
2. Step 2: Convert to fraction form
   517,605/1,131,438 = 1,131,438/x
3. Step 3: Cross multiply
   517,605x = 1,131,438 × 1,131,438
4. Step 4: Simplify right side
   517,605x = 1,280,151,947,844
5. Step 5: Solve for x
   x = 1,280,151,947,844/517,605
6. Step 6: Final answer
   x = 2,473,221.76