Finding the Third Proportional to 1,261,136 and 2,802,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,136 : 2,802,208 = 2,802,208 : x
2. Step 2: Convert to fraction form
   1,261,136/2,802,208 = 2,802,208/x
3. Step 3: Cross multiply
   1,261,136x = 2,802,208 × 2,802,208
4. Step 4: Simplify right side
   1,261,136x = 7,852,369,675,264
5. Step 5: Solve for x
   x = 7,852,369,675,264/1,261,136
6. Step 6: Final answer
   x = 6,226,425.76