Finding the Third Proportional to 793,278 and 1,156,686

Step by Step Solution

1. Step 1: Write the proportion equation
   793,278 : 1,156,686 = 1,156,686 : x
2. Step 2: Convert to fraction form
   793,278/1,156,686 = 1,156,686/x
3. Step 3: Cross multiply
   793,278x = 1,156,686 × 1,156,686
4. Step 4: Simplify right side
   793,278x = 1,337,922,502,596
5. Step 5: Solve for x
   x = 1,337,922,502,596/793,278
6. Step 6: Final answer
   x = 1,686,574.57