Finding the Third Proportional to 918,328 and 2,144,451

Step by Step Solution

1. Step 1: Write the proportion equation
   918,328 : 2,144,451 = 2,144,451 : x
2. Step 2: Convert to fraction form
   918,328/2,144,451 = 2,144,451/x
3. Step 3: Cross multiply
   918,328x = 2,144,451 × 2,144,451
4. Step 4: Simplify right side
   918,328x = 4,598,670,091,401
5. Step 5: Solve for x
   x = 4,598,670,091,401/918,328
6. Step 6: Final answer
   x = 5,007,655.32