Finding the Third Proportional to 503,136 and 1,085,040

Step by Step Solution

1. Step 1: Write the proportion equation
   503,136 : 1,085,040 = 1,085,040 : x
2. Step 2: Convert to fraction form
   503,136/1,085,040 = 1,085,040/x
3. Step 3: Cross multiply
   503,136x = 1,085,040 × 1,085,040
4. Step 4: Simplify right side
   503,136x = 1,177,311,801,600
5. Step 5: Solve for x
   x = 1,177,311,801,600/503,136
6. Step 6: Final answer
   x = 2,339,947.45