Finding the Third Proportional to 723,228 and 1,555,290

Step by Step Solution

1. Step 1: Write the proportion equation
   723,228 : 1,555,290 = 1,555,290 : x
2. Step 2: Convert to fraction form
   723,228/1,555,290 = 1,555,290/x
3. Step 3: Cross multiply
   723,228x = 1,555,290 × 1,555,290
4. Step 4: Simplify right side
   723,228x = 2,418,926,984,100
5. Step 5: Solve for x
   x = 2,418,926,984,100/723,228
6. Step 6: Final answer
   x = 3,344,625.74