Finding the Third Proportional to 725,600 and 1,694,398

Step by Step Solution

1. Step 1: Write the proportion equation
   725,600 : 1,694,398 = 1,694,398 : x
2. Step 2: Convert to fraction form
   725,600/1,694,398 = 1,694,398/x
3. Step 3: Cross multiply
   725,600x = 1,694,398 × 1,694,398
4. Step 4: Simplify right side
   725,600x = 2,870,984,582,404
5. Step 5: Solve for x
   x = 2,870,984,582,404/725,600
6. Step 6: Final answer
   x = 3,956,704.22