Finding the Third Proportional to 749,760 and 1,617,620

Step by Step Solution

1. Step 1: Write the proportion equation
   749,760 : 1,617,620 = 1,617,620 : x
2. Step 2: Convert to fraction form
   749,760/1,617,620 = 1,617,620/x
3. Step 3: Cross multiply
   749,760x = 1,617,620 × 1,617,620
4. Step 4: Simplify right side
   749,760x = 2,616,694,464,400
5. Step 5: Solve for x
   x = 2,616,694,464,400/749,760
6. Step 6: Final answer
   x = 3,490,042.77