Finding the Third Proportional to 757,920 and 1,620,858

Step by Step Solution

1. Step 1: Write the proportion equation
   757,920 : 1,620,858 = 1,620,858 : x
2. Step 2: Convert to fraction form
   757,920/1,620,858 = 1,620,858/x
3. Step 3: Cross multiply
   757,920x = 1,620,858 × 1,620,858
4. Step 4: Simplify right side
   757,920x = 2,627,180,656,164
5. Step 5: Solve for x
   x = 2,627,180,656,164/757,920
6. Step 6: Final answer
   x = 3,466,303.38