Finding the Third Proportional to 1,161 and 1,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161 : 1,456.50 = 1,456.50 : x
2. Step 2: Convert to fraction form
   1,161/1,456.50 = 1,456.50/x
3. Step 3: Cross multiply
   1,161x = 1,456.50 × 1,456.50
4. Step 4: Simplify right side
   1,161x = 2,121,392.25
5. Step 5: Solve for x
   x = 2,121,392.25/1,161
6. Step 6: Final answer
   x = 1,827.21