Finding the Third Proportional to 2,245,888 and 4,870,136

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,888 : 4,870,136 = 4,870,136 : x
2. Step 2: Convert to fraction form
   2,245,888/4,870,136 = 4,870,136/x
3. Step 3: Cross multiply
   2,245,888x = 4,870,136 × 4,870,136
4. Step 4: Simplify right side
   2,245,888x = 23,718,224,658,496
5. Step 5: Solve for x
   x = 23,718,224,658,496/2,245,888
6. Step 6: Final answer
   x = 10,560,733.51