Finding the Third Proportional to 10,268,858 and 21,995,068

Step by Step Solution

1. Step 1: Write the proportion equation
   10,268,858 : 21,995,068 = 21,995,068 : x
2. Step 2: Convert to fraction form
   10,268,858/21,995,068 = 21,995,068/x
3. Step 3: Cross multiply
   10,268,858x = 21,995,068 × 21,995,068
4. Step 4: Simplify right side
   10,268,858x = 483,783,016,324,624
5. Step 5: Solve for x
   x = 483,783,016,324,624/10,268,858
6. Step 6: Final answer
   x = 47,111,666.78