Finding the Third Proportional to 785,800 and 1,185,288

Step by Step Solution

1. Step 1: Write the proportion equation
   785,800 : 1,185,288 = 1,185,288 : x
2. Step 2: Convert to fraction form
   785,800/1,185,288 = 1,185,288/x
3. Step 3: Cross multiply
   785,800x = 1,185,288 × 1,185,288
4. Step 4: Simplify right side
   785,800x = 1,404,907,642,944
5. Step 5: Solve for x
   x = 1,404,907,642,944/785,800
6. Step 6: Final answer
   x = 1,787,869.23