Finding the Third Proportional to 2,605,380 and 5,656,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,380 : 5,656,386 = 5,656,386 : x
2. Step 2: Convert to fraction form
   2,605,380/5,656,386 = 5,656,386/x
3. Step 3: Cross multiply
   2,605,380x = 5,656,386 × 5,656,386
4. Step 4: Simplify right side
   2,605,380x = 31,994,702,580,996
5. Step 5: Solve for x
   x = 31,994,702,580,996/2,605,380
6. Step 6: Final answer
   x = 12,280,244.18