Finding the Third Proportional to 778,860 and 1,182,906

Step by Step Solution

1. Step 1: Write the proportion equation
   778,860 : 1,182,906 = 1,182,906 : x
2. Step 2: Convert to fraction form
   778,860/1,182,906 = 1,182,906/x
3. Step 3: Cross multiply
   778,860x = 1,182,906 × 1,182,906
4. Step 4: Simplify right side
   778,860x = 1,399,266,604,836
5. Step 5: Solve for x
   x = 1,399,266,604,836/778,860
6. Step 6: Final answer
   x = 1,796,557.28