Finding the Third Proportional to 819,723,892 and 1,259,185,667

Step by Step Solution

1. Step 1: Write the proportion equation
   819,723,892 : 1,259,185,667 = 1,259,185,667 : x
2. Step 2: Convert to fraction form
   819,723,892/1,259,185,667 = 1,259,185,667/x
3. Step 3: Cross multiply
   819,723,892x = 1,259,185,667 × 1,259,185,667
4. Step 4: Simplify right side
   819,723,892x = 1,585,548,543,978,234,880
5. Step 5: Solve for x
   x = 1,585,548,543,978,234,880/819,723,892
6. Step 6: Final answer
   x = 1,934,247,079.35