Finding the Third Proportional to 9,624,700 and 21,401,328

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624,700 : 21,401,328 = 21,401,328 : x
2. Step 2: Convert to fraction form
   9,624,700/21,401,328 = 21,401,328/x
3. Step 3: Cross multiply
   9,624,700x = 21,401,328 × 21,401,328
4. Step 4: Simplify right side
   9,624,700x = 458,016,840,163,584
5. Step 5: Solve for x
   x = 458,016,840,163,584/9,624,700
6. Step 6: Final answer
   x = 47,587,648.46