Finding the Third Proportional to 2,891,037,072.75 and 3,900,687,773.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,072.75 : 3,900,687,773.25 = 3,900,687,773.25 : x
2. Step 2: Convert to fraction form
   2,891,037,072.75/3,900,687,773.25 = 3,900,687,773.25/x
3. Step 3: Cross multiply
   2,891,037,072.75x = 3,900,687,773.25 × 3,900,687,773.25
4. Step 4: Simplify right side
   2,891,037,072.75x = 15,215,365,104,382,044,160
5. Step 5: Solve for x
   x = 15,215,365,104,382,044,160/2,891,037,072.75
6. Step 6: Final answer
   x = 5,262,943,615.56