Finding the Third Proportional to 855,116,892 and 1,321,944,216

Step by Step Solution

1. Step 1: Write the proportion equation
   855,116,892 : 1,321,944,216 = 1,321,944,216 : x
2. Step 2: Convert to fraction form
   855,116,892/1,321,944,216 = 1,321,944,216/x
3. Step 3: Cross multiply
   855,116,892x = 1,321,944,216 × 1,321,944,216
4. Step 4: Simplify right side
   855,116,892x = 1,747,536,510,215,854,592
5. Step 5: Solve for x
   x = 1,747,536,510,215,854,592/855,116,892
6. Step 6: Final answer
   x = 2,043,622,955.60