Finding the Third Proportional to 1,039,215,814.88 and 2,261,375,475.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,215,814.88 : 2,261,375,475.75 = 2,261,375,475.75 : x
2. Step 2: Convert to fraction form
   1,039,215,814.88/2,261,375,475.75 = 2,261,375,475.75/x
3. Step 3: Cross multiply
   1,039,215,814.88x = 2,261,375,475.75 × 2,261,375,475.75
4. Step 4: Simplify right side
   1,039,215,814.88x = 5,113,819,042,323,538,944
5. Step 5: Solve for x
   x = 5,113,819,042,323,538,944/1,039,215,814.88
6. Step 6: Final answer
   x = 4,920,844,129.90