Finding the Third Proportional to 2,559,616 and 5,601,280

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,616 : 5,601,280 = 5,601,280 : x
2. Step 2: Convert to fraction form
   2,559,616/5,601,280 = 5,601,280/x
3. Step 3: Cross multiply
   2,559,616x = 5,601,280 × 5,601,280
4. Step 4: Simplify right side
   2,559,616x = 31,374,337,638,400
5. Step 5: Solve for x
   x = 31,374,337,638,400/2,559,616
6. Step 6: Final answer
   x = 12,257,439.26