Finding the Third Proportional to 9,624,639 and 21,401,196

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624,639 : 21,401,196 = 21,401,196 : x
2. Step 2: Convert to fraction form
   9,624,639/21,401,196 = 21,401,196/x
3. Step 3: Cross multiply
   9,624,639x = 21,401,196 × 21,401,196
4. Step 4: Simplify right side
   9,624,639x = 458,011,190,230,416
5. Step 5: Solve for x
   x = 458,011,190,230,416/9,624,639
6. Step 6: Final answer
   x = 47,587,363.04