Finding the Third Proportional to 718,567 and 1,569,378

Step by Step Solution

1. Step 1: Write the proportion equation
   718,567 : 1,569,378 = 1,569,378 : x
2. Step 2: Convert to fraction form
   718,567/1,569,378 = 1,569,378/x
3. Step 3: Cross multiply
   718,567x = 1,569,378 × 1,569,378
4. Step 4: Simplify right side
   718,567x = 2,462,947,306,884
5. Step 5: Solve for x
   x = 2,462,947,306,884/718,567
6. Step 6: Final answer
   x = 3,427,581.99