Finding the Third Proportional to 10,020,843 and 21,956,878

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020,843 : 21,956,878 = 21,956,878 : x
2. Step 2: Convert to fraction form
   10,020,843/21,956,878 = 21,956,878/x
3. Step 3: Cross multiply
   10,020,843x = 21,956,878 × 21,956,878
4. Step 4: Simplify right side
   10,020,843x = 482,104,491,506,884
5. Step 5: Solve for x
   x = 482,104,491,506,884/10,020,843
6. Step 6: Final answer
   x = 48,110,173.12