Finding the Third Proportional to 508,278 and 1,105,089

Step by Step Solution

1. Step 1: Write the proportion equation
   508,278 : 1,105,089 = 1,105,089 : x
2. Step 2: Convert to fraction form
   508,278/1,105,089 = 1,105,089/x
3. Step 3: Cross multiply
   508,278x = 1,105,089 × 1,105,089
4. Step 4: Simplify right side
   508,278x = 1,221,221,697,921
5. Step 5: Solve for x
   x = 1,221,221,697,921/508,278
6. Step 6: Final answer
   x = 2,402,664.88