Finding the Third Proportional to 619,680 and 1,313,802

Step by Step Solution

1. Step 1: Write the proportion equation
   619,680 : 1,313,802 = 1,313,802 : x
2. Step 2: Convert to fraction form
   619,680/1,313,802 = 1,313,802/x
3. Step 3: Cross multiply
   619,680x = 1,313,802 × 1,313,802
4. Step 4: Simplify right side
   619,680x = 1,726,075,695,204
5. Step 5: Solve for x
   x = 1,726,075,695,204/619,680
6. Step 6: Final answer
   x = 2,785,430.70