Finding the Third Proportional to 779,039 and 1,173,685

Step by Step Solution

1. Step 1: Write the proportion equation
   779,039 : 1,173,685 = 1,173,685 : x
2. Step 2: Convert to fraction form
   779,039/1,173,685 = 1,173,685/x
3. Step 3: Cross multiply
   779,039x = 1,173,685 × 1,173,685
4. Step 4: Simplify right side
   779,039x = 1,377,536,479,225
5. Step 5: Solve for x
   x = 1,377,536,479,225/779,039
6. Step 6: Final answer
   x = 1,768,250.99