Finding the Third Proportional to 4,289,047 and 9,441,686

Step by Step Solution

1. Step 1: Write the proportion equation
   4,289,047 : 9,441,686 = 9,441,686 : x
2. Step 2: Convert to fraction form
   4,289,047/9,441,686 = 9,441,686/x
3. Step 3: Cross multiply
   4,289,047x = 9,441,686 × 9,441,686
4. Step 4: Simplify right side
   4,289,047x = 89,145,434,522,596
5. Step 5: Solve for x
   x = 89,145,434,522,596/4,289,047
6. Step 6: Final answer
   x = 20,784,438.72