Finding the Third Proportional to 2,131,466 and 4,459,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,466 : 4,459,988 = 4,459,988 : x
2. Step 2: Convert to fraction form
   2,131,466/4,459,988 = 4,459,988/x
3. Step 3: Cross multiply
   2,131,466x = 4,459,988 × 4,459,988
4. Step 4: Simplify right side
   2,131,466x = 19,891,492,960,144
5. Step 5: Solve for x
   x = 19,891,492,960,144/2,131,466
6. Step 6: Final answer
   x = 9,332,306.01