Finding the Third Proportional to 1,261,186 and 2,767,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,186 : 2,767,638 = 2,767,638 : x
2. Step 2: Convert to fraction form
   1,261,186/2,767,638 = 2,767,638/x
3. Step 3: Cross multiply
   1,261,186x = 2,767,638 × 2,767,638
4. Step 4: Simplify right side
   1,261,186x = 7,659,820,099,044
5. Step 5: Solve for x
   x = 7,659,820,099,044/1,261,186
6. Step 6: Final answer
   x = 6,073,505.49