Finding the Third Proportional to 779,802 and 1,178,199

Step by Step Solution

1. Step 1: Write the proportion equation
   779,802 : 1,178,199 = 1,178,199 : x
2. Step 2: Convert to fraction form
   779,802/1,178,199 = 1,178,199/x
3. Step 3: Cross multiply
   779,802x = 1,178,199 × 1,178,199
4. Step 4: Simplify right side
   779,802x = 1,388,152,883,601
5. Step 5: Solve for x
   x = 1,388,152,883,601/779,802
6. Step 6: Final answer
   x = 1,780,135.06