Finding the Third Proportional to 505,080 and 1,109,790

Step by Step Solution

1. Step 1: Write the proportion equation
   505,080 : 1,109,790 = 1,109,790 : x
2. Step 2: Convert to fraction form
   505,080/1,109,790 = 1,109,790/x
3. Step 3: Cross multiply
   505,080x = 1,109,790 × 1,109,790
4. Step 4: Simplify right side
   505,080x = 1,231,633,844,100
5. Step 5: Solve for x
   x = 1,231,633,844,100/505,080
6. Step 6: Final answer
   x = 2,438,492.60