Finding the Third Proportional to 2,551,168 and 5,413,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,168 : 5,413,312 = 5,413,312 : x
2. Step 2: Convert to fraction form
   2,551,168/5,413,312 = 5,413,312/x
3. Step 3: Cross multiply
   2,551,168x = 5,413,312 × 5,413,312
4. Step 4: Simplify right side
   2,551,168x = 29,303,946,809,344
5. Step 5: Solve for x
   x = 29,303,946,809,344/2,551,168
6. Step 6: Final answer
   x = 11,486,482.59