Finding the Third Proportional to 841.50 and 911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   841.50 : 911.25 = 911.25 : x
2. Step 2: Convert to fraction form
   841.50/911.25 = 911.25/x
3. Step 3: Cross multiply
   841.50x = 911.25 × 911.25
4. Step 4: Simplify right side
   841.50x = 830,376.56
5. Step 5: Solve for x
   x = 830,376.56/841.50
6. Step 6: Final answer
   x = 986.78