Finding the Third Proportional to 10,020,840 and 21,956,872

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020,840 : 21,956,872 = 21,956,872 : x
2. Step 2: Convert to fraction form
   10,020,840/21,956,872 = 21,956,872/x
3. Step 3: Cross multiply
   10,020,840x = 21,956,872 × 21,956,872
4. Step 4: Simplify right side
   10,020,840x = 482,104,228,024,384
5. Step 5: Solve for x
   x = 482,104,228,024,384/10,020,840
6. Step 6: Final answer
   x = 48,110,161.23