Finding the Third Proportional to 718,577 and 1,569,398

Step by Step Solution

1. Step 1: Write the proportion equation
   718,577 : 1,569,398 = 1,569,398 : x
2. Step 2: Convert to fraction form
   718,577/1,569,398 = 1,569,398/x
3. Step 3: Cross multiply
   718,577x = 1,569,398 × 1,569,398
4. Step 4: Simplify right side
   718,577x = 2,463,010,082,404
5. Step 5: Solve for x
   x = 2,463,010,082,404/718,577
6. Step 6: Final answer
   x = 3,427,621.65