Finding the Third Proportional to 10,055,196 and 21,317,007

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055,196 : 21,317,007 = 21,317,007 : x
2. Step 2: Convert to fraction form
   10,055,196/21,317,007 = 21,317,007/x
3. Step 3: Cross multiply
   10,055,196x = 21,317,007 × 21,317,007
4. Step 4: Simplify right side
   10,055,196x = 454,414,787,438,049
5. Step 5: Solve for x
   x = 454,414,787,438,049/10,055,196
6. Step 6: Final answer
   x = 45,192,036.78