Finding the Third Proportional to 9,662,317 and 20,442,869

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662,317 : 20,442,869 = 20,442,869 : x
2. Step 2: Convert to fraction form
   9,662,317/20,442,869 = 20,442,869/x
3. Step 3: Cross multiply
   9,662,317x = 20,442,869 × 20,442,869
4. Step 4: Simplify right side
   9,662,317x = 417,910,892,951,161
5. Step 5: Solve for x
   x = 417,910,892,951,161/9,662,317
6. Step 6: Final answer
   x = 43,251,623.08