Finding the Third Proportional to 9,724,976 and 21,162,400

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724,976 : 21,162,400 = 21,162,400 : x
2. Step 2: Convert to fraction form
   9,724,976/21,162,400 = 21,162,400/x
3. Step 3: Cross multiply
   9,724,976x = 21,162,400 × 21,162,400
4. Step 4: Simplify right side
   9,724,976x = 447,847,173,760,000
5. Step 5: Solve for x
   x = 447,847,173,760,000/9,724,976
6. Step 6: Final answer
   x = 46,051,236.91