Finding the Third Proportional to 1,091.25 and 1,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.25 : 1,692 = 1,692 : x
2. Step 2: Convert to fraction form
   1,091.25/1,692 = 1,692/x
3. Step 3: Cross multiply
   1,091.25x = 1,692 × 1,692
4. Step 4: Simplify right side
   1,091.25x = 2,862,864
5. Step 5: Solve for x
   x = 2,862,864/1,091.25
6. Step 6: Final answer
   x = 2,623.47