Finding the Third Proportional to 4,318,785 and 9,451,138

Step by Step Solution

1. Step 1: Write the proportion equation
   4,318,785 : 9,451,138 = 9,451,138 : x
2. Step 2: Convert to fraction form
   4,318,785/9,451,138 = 9,451,138/x
3. Step 3: Cross multiply
   4,318,785x = 9,451,138 × 9,451,138
4. Step 4: Simplify right side
   4,318,785x = 89,324,009,495,044
5. Step 5: Solve for x
   x = 89,324,009,495,044/4,318,785
6. Step 6: Final answer
   x = 20,682,671.05