Finding the Third Proportional to 718,563 and 1,569,370

Step by Step Solution

1. Step 1: Write the proportion equation
   718,563 : 1,569,370 = 1,569,370 : x
2. Step 2: Convert to fraction form
   718,563/1,569,370 = 1,569,370/x
3. Step 3: Cross multiply
   718,563x = 1,569,370 × 1,569,370
4. Step 4: Simplify right side
   718,563x = 2,462,922,196,900
5. Step 5: Solve for x
   x = 2,462,922,196,900/718,563
6. Step 6: Final answer
   x = 3,427,566.12