Finding the Third Proportional to 1,645,584 and 2,485,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,584 : 2,485,920 = 2,485,920 : x
2. Step 2: Convert to fraction form
   1,645,584/2,485,920 = 2,485,920/x
3. Step 3: Cross multiply
   1,645,584x = 2,485,920 × 2,485,920
4. Step 4: Simplify right side
   1,645,584x = 6,179,798,246,400
5. Step 5: Solve for x
   x = 6,179,798,246,400/1,645,584
6. Step 6: Final answer
   x = 3,755,383.04