Finding the Third Proportional to 9,624,636 and 21,401,188

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624,636 : 21,401,188 = 21,401,188 : x
2. Step 2: Convert to fraction form
   9,624,636/21,401,188 = 21,401,188/x
3. Step 3: Cross multiply
   9,624,636x = 21,401,188 × 21,401,188
4. Step 4: Simplify right side
   9,624,636x = 458,010,847,811,344
5. Step 5: Solve for x
   x = 458,010,847,811,344/9,624,636
6. Step 6: Final answer
   x = 47,587,342.30