Finding the Third Proportional to 721.41 and 1,050.47

Step by Step Solution

1. Step 1: Write the proportion equation
   721.41 : 1,050.47 = 1,050.47 : x
2. Step 2: Convert to fraction form
   721.41/1,050.47 = 1,050.47/x
3. Step 3: Cross multiply
   721.41x = 1,050.47 × 1,050.47
4. Step 4: Simplify right side
   721.41x = 1,103,484.59
5. Step 5: Solve for x
   x = 1,103,484.59/721.41
6. Step 6: Final answer
   x = 1,529.63