Finding the Third Proportional to 757,764 and 1,620,604

Step by Step Solution

1. Step 1: Write the proportion equation
   757,764 : 1,620,604 = 1,620,604 : x
2. Step 2: Convert to fraction form
   757,764/1,620,604 = 1,620,604/x
3. Step 3: Cross multiply
   757,764x = 1,620,604 × 1,620,604
4. Step 4: Simplify right side
   757,764x = 2,626,357,324,816
5. Step 5: Solve for x
   x = 2,626,357,324,816/757,764
6. Step 6: Final answer
   x = 3,465,930.45