Finding the Third Proportional to 619,560 and 1,355,760

Step by Step Solution

1. Step 1: Write the proportion equation
   619,560 : 1,355,760 = 1,355,760 : x
2. Step 2: Convert to fraction form
   619,560/1,355,760 = 1,355,760/x
3. Step 3: Cross multiply
   619,560x = 1,355,760 × 1,355,760
4. Step 4: Simplify right side
   619,560x = 1,838,085,177,600
5. Step 5: Solve for x
   x = 1,838,085,177,600/619,560
6. Step 6: Final answer
   x = 2,966,758.95