Finding the Third Proportional to 498,120 and 1,080,912

Step by Step Solution

1. Step 1: Write the proportion equation
   498,120 : 1,080,912 = 1,080,912 : x
2. Step 2: Convert to fraction form
   498,120/1,080,912 = 1,080,912/x
3. Step 3: Cross multiply
   498,120x = 1,080,912 × 1,080,912
4. Step 4: Simplify right side
   498,120x = 1,168,370,751,744
5. Step 5: Solve for x
   x = 1,168,370,751,744/498,120
6. Step 6: Final answer
   x = 2,345,560.81