Finding the Third Proportional to 9,974,636 and 21,474,880

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974,636 : 21,474,880 = 21,474,880 : x
2. Step 2: Convert to fraction form
   9,974,636/21,474,880 = 21,474,880/x
3. Step 3: Cross multiply
   9,974,636x = 21,474,880 × 21,474,880
4. Step 4: Simplify right side
   9,974,636x = 461,170,471,014,400
5. Step 5: Solve for x
   x = 461,170,471,014,400/9,974,636
6. Step 6: Final answer
   x = 46,234,315.82