Finding the Third Proportional to 1,206,963 and 2,513,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,963 : 2,513,136 = 2,513,136 : x
2. Step 2: Convert to fraction form
   1,206,963/2,513,136 = 2,513,136/x
3. Step 3: Cross multiply
   1,206,963x = 2,513,136 × 2,513,136
4. Step 4: Simplify right side
   1,206,963x = 6,315,852,554,496
5. Step 5: Solve for x
   x = 6,315,852,554,496/1,206,963
6. Step 6: Final answer
   x = 5,232,846.87