Finding the Third Proportional to 1,039,215,786.75 and 2,261,375,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,215,786.75 : 2,261,375,419.50 = 2,261,375,419.50 : x
2. Step 2: Convert to fraction form
   1,039,215,786.75/2,261,375,419.50 = 2,261,375,419.50/x
3. Step 3: Cross multiply
   1,039,215,786.75x = 2,261,375,419.50 × 2,261,375,419.50
4. Step 4: Simplify right side
   1,039,215,786.75x = 5,113,818,787,918,800,896
5. Step 5: Solve for x
   x = 5,113,818,787,918,800,896/1,039,215,786.75
6. Step 6: Final answer
   x = 4,920,844,018.27