Finding the Third Proportional to 674,789 and 1,019,155

Step by Step Solution

1. Step 1: Write the proportion equation
   674,789 : 1,019,155 = 1,019,155 : x
2. Step 2: Convert to fraction form
   674,789/1,019,155 = 1,019,155/x
3. Step 3: Cross multiply
   674,789x = 1,019,155 × 1,019,155
4. Step 4: Simplify right side
   674,789x = 1,038,676,914,025
5. Step 5: Solve for x
   x = 1,038,676,914,025/674,789
6. Step 6: Final answer
   x = 1,539,261.78