Finding the Third Proportional to 757,849.50 and 1,620,738

Step by Step Solution

1. Step 1: Write the proportion equation
   757,849.50 : 1,620,738 = 1,620,738 : x
2. Step 2: Convert to fraction form
   757,849.50/1,620,738 = 1,620,738/x
3. Step 3: Cross multiply
   757,849.50x = 1,620,738 × 1,620,738
4. Step 4: Simplify right side
   757,849.50x = 2,626,791,664,644
5. Step 5: Solve for x
   x = 2,626,791,664,644/757,849.50
6. Step 6: Final answer
   x = 3,466,112.55