Finding the Third Proportional to 2,551,220 and 5,508,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,220 : 5,508,284 = 5,508,284 : x
2. Step 2: Convert to fraction form
   2,551,220/5,508,284 = 5,508,284/x
3. Step 3: Cross multiply
   2,551,220x = 5,508,284 × 5,508,284
4. Step 4: Simplify right side
   2,551,220x = 30,341,192,624,656
5. Step 5: Solve for x
   x = 30,341,192,624,656/2,551,220
6. Step 6: Final answer
   x = 11,892,817.01