Finding the Third Proportional to 721,038 and 1,131,048

Step by Step Solution

1. Step 1: Write the proportion equation
   721,038 : 1,131,048 = 1,131,048 : x
2. Step 2: Convert to fraction form
   721,038/1,131,048 = 1,131,048/x
3. Step 3: Cross multiply
   721,038x = 1,131,048 × 1,131,048
4. Step 4: Simplify right side
   721,038x = 1,279,269,578,304
5. Step 5: Solve for x
   x = 1,279,269,578,304/721,038
6. Step 6: Final answer
   x = 1,774,205.49