Finding the Third Proportional to 928.69 and 1,357.88

Step by Step Solution

1. Step 1: Write the proportion equation
   928.69 : 1,357.88 = 1,357.88 : x
2. Step 2: Convert to fraction form
   928.69/1,357.88 = 1,357.88/x
3. Step 3: Cross multiply
   928.69x = 1,357.88 × 1,357.88
4. Step 4: Simplify right side
   928.69x = 1,843,824.52
5. Step 5: Solve for x
   x = 1,843,824.52/928.69
6. Step 6: Final answer
   x = 1,985.41