Finding the Third Proportional to 9,722,848 and 21,195,200

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722,848 : 21,195,200 = 21,195,200 : x
2. Step 2: Convert to fraction form
   9,722,848/21,195,200 = 21,195,200/x
3. Step 3: Cross multiply
   9,722,848x = 21,195,200 × 21,195,200
4. Step 4: Simplify right side
   9,722,848x = 449,236,503,040,000
5. Step 5: Solve for x
   x = 449,236,503,040,000/9,722,848
6. Step 6: Final answer
   x = 46,204,209.20