Finding the Third Proportional to 4,318,786 and 9,451,140

Step by Step Solution

1. Step 1: Write the proportion equation
   4,318,786 : 9,451,140 = 9,451,140 : x
2. Step 2: Convert to fraction form
   4,318,786/9,451,140 = 9,451,140/x
3. Step 3: Cross multiply
   4,318,786x = 9,451,140 × 9,451,140
4. Step 4: Simplify right side
   4,318,786x = 89,324,047,299,600
5. Step 5: Solve for x
   x = 89,324,047,299,600/4,318,786
6. Step 6: Final answer
   x = 20,682,675.02