Finding the Third Proportional to 585,168 and 1,259,136

Step by Step Solution

1. Step 1: Write the proportion equation
   585,168 : 1,259,136 = 1,259,136 : x
2. Step 2: Convert to fraction form
   585,168/1,259,136 = 1,259,136/x
3. Step 3: Cross multiply
   585,168x = 1,259,136 × 1,259,136
4. Step 4: Simplify right side
   585,168x = 1,585,423,466,496
5. Step 5: Solve for x
   x = 1,585,423,466,496/585,168
6. Step 6: Final answer
   x = 2,709,347.51