Finding the Third Proportional to 2,553,135 and 5,531,790

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,135 : 5,531,790 = 5,531,790 : x
2. Step 2: Convert to fraction form
   2,553,135/5,531,790 = 5,531,790/x
3. Step 3: Cross multiply
   2,553,135x = 5,531,790 × 5,531,790
4. Step 4: Simplify right side
   2,553,135x = 30,600,700,604,100
5. Step 5: Solve for x
   x = 30,600,700,604,100/2,553,135
6. Step 6: Final answer
   x = 11,985,539.58