Finding the Third Proportional to 619,233.47 and 1,280,944.69

Step by Step Solution

1. Step 1: Write the proportion equation
   619,233.47 : 1,280,944.69 = 1,280,944.69 : x
2. Step 2: Convert to fraction form
   619,233.47/1,280,944.69 = 1,280,944.69/x
3. Step 3: Cross multiply
   619,233.47x = 1,280,944.69 × 1,280,944.69
4. Step 4: Simplify right side
   619,233.47x = 1,640,819,292,434.47
5. Step 5: Solve for x
   x = 1,640,819,292,434.47/619,233.47
6. Step 6: Final answer
   x = 2,649,758.73