Finding the Third Proportional to 9,617,136 and 20,307,360

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617,136 : 20,307,360 = 20,307,360 : x
2. Step 2: Convert to fraction form
   9,617,136/20,307,360 = 20,307,360/x
3. Step 3: Cross multiply
   9,617,136x = 20,307,360 × 20,307,360
4. Step 4: Simplify right side
   9,617,136x = 412,388,870,169,600
5. Step 5: Solve for x
   x = 412,388,870,169,600/9,617,136
6. Step 6: Final answer
   x = 42,880,632.05