Finding the Third Proportional to 10,053,738 and 21,479,919

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053,738 : 21,479,919 = 21,479,919 : x
2. Step 2: Convert to fraction form
   10,053,738/21,479,919 = 21,479,919/x
3. Step 3: Cross multiply
   10,053,738x = 21,479,919 × 21,479,919
4. Step 4: Simplify right side
   10,053,738x = 461,386,920,246,561
5. Step 5: Solve for x
   x = 461,386,920,246,561/10,053,738
6. Step 6: Final answer
   x = 45,892,077.18