Finding the Third Proportional to 9,627,540 and 21,144,756

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627,540 : 21,144,756 = 21,144,756 : x
2. Step 2: Convert to fraction form
   9,627,540/21,144,756 = 21,144,756/x
3. Step 3: Cross multiply
   9,627,540x = 21,144,756 × 21,144,756
4. Step 4: Simplify right side
   9,627,540x = 447,100,706,299,536
5. Step 5: Solve for x
   x = 447,100,706,299,536/9,627,540
6. Step 6: Final answer
   x = 46,439,766.16