Finding the Third Proportional to 757,899 and 1,620,814

Step by Step Solution

1. Step 1: Write the proportion equation
   757,899 : 1,620,814 = 1,620,814 : x
2. Step 2: Convert to fraction form
   757,899/1,620,814 = 1,620,814/x
3. Step 3: Cross multiply
   757,899x = 1,620,814 × 1,620,814
4. Step 4: Simplify right side
   757,899x = 2,627,038,022,596
5. Step 5: Solve for x
   x = 2,627,038,022,596/757,899
6. Step 6: Final answer
   x = 3,466,211.23