Finding the Third Proportional to 757,860 and 1,620,756

Step by Step Solution

1. Step 1: Write the proportion equation
   757,860 : 1,620,756 = 1,620,756 : x
2. Step 2: Convert to fraction form
   757,860/1,620,756 = 1,620,756/x
3. Step 3: Cross multiply
   757,860x = 1,620,756 × 1,620,756
4. Step 4: Simplify right side
   757,860x = 2,626,850,011,536
5. Step 5: Solve for x
   x = 2,626,850,011,536/757,860
6. Step 6: Final answer
   x = 3,466,141.52