Finding the Third Proportional to 10,180,990 and 21,956,042

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180,990 : 21,956,042 = 21,956,042 : x
2. Step 2: Convert to fraction form
   10,180,990/21,956,042 = 21,956,042/x
3. Step 3: Cross multiply
   10,180,990x = 21,956,042 × 21,956,042
4. Step 4: Simplify right side
   10,180,990x = 482,067,780,305,764
5. Step 5: Solve for x
   x = 482,067,780,305,764/10,180,990
6. Step 6: Final answer
   x = 47,349,794.11