Finding the Third Proportional to 779,856 and 1,620,984

Step by Step Solution

1. Step 1: Write the proportion equation
   779,856 : 1,620,984 = 1,620,984 : x
2. Step 2: Convert to fraction form
   779,856/1,620,984 = 1,620,984/x
3. Step 3: Cross multiply
   779,856x = 1,620,984 × 1,620,984
4. Step 4: Simplify right side
   779,856x = 2,627,589,128,256
5. Step 5: Solve for x
   x = 2,627,589,128,256/779,856
6. Step 6: Final answer
   x = 3,369,326.04