Finding the Third Proportional to 521,196 and 783,048

Step by Step Solution

1. Step 1: Write the proportion equation
   521,196 : 783,048 = 783,048 : x
2. Step 2: Convert to fraction form
   521,196/783,048 = 783,048/x
3. Step 3: Cross multiply
   521,196x = 783,048 × 783,048
4. Step 4: Simplify right side
   521,196x = 613,164,170,304
5. Step 5: Solve for x
   x = 613,164,170,304/521,196
6. Step 6: Final answer
   x = 1,176,456.02