Finding the Third Proportional to 9,627,624 and 21,144,912

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627,624 : 21,144,912 = 21,144,912 : x
2. Step 2: Convert to fraction form
   9,627,624/21,144,912 = 21,144,912/x
3. Step 3: Cross multiply
   9,627,624x = 21,144,912 × 21,144,912
4. Step 4: Simplify right side
   9,627,624x = 447,107,303,487,744
5. Step 5: Solve for x
   x = 447,107,303,487,744/9,627,624
6. Step 6: Final answer
   x = 46,440,046.21