Finding the Third Proportional to 498,728 and 1,068,912

Step by Step Solution

1. Step 1: Write the proportion equation
   498,728 : 1,068,912 = 1,068,912 : x
2. Step 2: Convert to fraction form
   498,728/1,068,912 = 1,068,912/x
3. Step 3: Cross multiply
   498,728x = 1,068,912 × 1,068,912
4. Step 4: Simplify right side
   498,728x = 1,142,572,863,744
5. Step 5: Solve for x
   x = 1,142,572,863,744/498,728
6. Step 6: Final answer
   x = 2,290,973.97