Finding the Third Proportional to 508,290 and 1,105,128

Step by Step Solution

1. Step 1: Write the proportion equation
   508,290 : 1,105,128 = 1,105,128 : x
2. Step 2: Convert to fraction form
   508,290/1,105,128 = 1,105,128/x
3. Step 3: Cross multiply
   508,290x = 1,105,128 × 1,105,128
4. Step 4: Simplify right side
   508,290x = 1,221,307,896,384
5. Step 5: Solve for x
   x = 1,221,307,896,384/508,290
6. Step 6: Final answer
   x = 2,402,777.74