Finding the Third Proportional to 2,551,998 and 5,567,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,998 : 5,567,640 = 5,567,640 : x
2. Step 2: Convert to fraction form
   2,551,998/5,567,640 = 5,567,640/x
3. Step 3: Cross multiply
   2,551,998x = 5,567,640 × 5,567,640
4. Step 4: Simplify right side
   2,551,998x = 30,998,615,169,600
5. Step 5: Solve for x
   x = 30,998,615,169,600/2,551,998
6. Step 6: Final answer
   x = 12,146,802.30