Finding the Third Proportional to 788,702 and 1,287,761

Step by Step Solution

1. Step 1: Write the proportion equation
   788,702 : 1,287,761 = 1,287,761 : x
2. Step 2: Convert to fraction form
   788,702/1,287,761 = 1,287,761/x
3. Step 3: Cross multiply
   788,702x = 1,287,761 × 1,287,761
4. Step 4: Simplify right side
   788,702x = 1,658,328,393,121
5. Step 5: Solve for x
   x = 1,658,328,393,121/788,702
6. Step 6: Final answer
   x = 2,102,604.52