Finding the Third Proportional to 619,800 and 1,343,928

Step by Step Solution

1. Step 1: Write the proportion equation
   619,800 : 1,343,928 = 1,343,928 : x
2. Step 2: Convert to fraction form
   619,800/1,343,928 = 1,343,928/x
3. Step 3: Cross multiply
   619,800x = 1,343,928 × 1,343,928
4. Step 4: Simplify right side
   619,800x = 1,806,142,469,184
5. Step 5: Solve for x
   x = 1,806,142,469,184/619,800
6. Step 6: Final answer
   x = 2,914,073.04