Finding the Third Proportional to 788,640 and 1,181,627

Step by Step Solution

1. Step 1: Write the proportion equation
   788,640 : 1,181,627 = 1,181,627 : x
2. Step 2: Convert to fraction form
   788,640/1,181,627 = 1,181,627/x
3. Step 3: Cross multiply
   788,640x = 1,181,627 × 1,181,627
4. Step 4: Simplify right side
   788,640x = 1,396,242,367,129
5. Step 5: Solve for x
   x = 1,396,242,367,129/788,640
6. Step 6: Final answer
   x = 1,770,443.25