Finding the Third Proportional to 779,478 and 1,674,988

Step by Step Solution

1. Step 1: Write the proportion equation
   779,478 : 1,674,988 = 1,674,988 : x
2. Step 2: Convert to fraction form
   779,478/1,674,988 = 1,674,988/x
3. Step 3: Cross multiply
   779,478x = 1,674,988 × 1,674,988
4. Step 4: Simplify right side
   779,478x = 2,805,584,800,144
5. Step 5: Solve for x
   x = 2,805,584,800,144/779,478
6. Step 6: Final answer
   x = 3,599,312.36