Finding the Third Proportional to 723,218 and 1,555,282

Step by Step Solution

1. Step 1: Write the proportion equation
   723,218 : 1,555,282 = 1,555,282 : x
2. Step 2: Convert to fraction form
   723,218/1,555,282 = 1,555,282/x
3. Step 3: Cross multiply
   723,218x = 1,555,282 × 1,555,282
4. Step 4: Simplify right side
   723,218x = 2,418,902,099,524
5. Step 5: Solve for x
   x = 2,418,902,099,524/723,218
6. Step 6: Final answer
   x = 3,344,637.58