Finding the Third Proportional to 9,624,648 and 21,401,208

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624,648 : 21,401,208 = 21,401,208 : x
2. Step 2: Convert to fraction form
   9,624,648/21,401,208 = 21,401,208/x
3. Step 3: Cross multiply
   9,624,648x = 21,401,208 × 21,401,208
4. Step 4: Simplify right side
   9,624,648x = 458,011,703,859,264
5. Step 5: Solve for x
   x = 458,011,703,859,264/9,624,648
6. Step 6: Final answer
   x = 47,587,371.91