Finding the Third Proportional to 931.50 and 1,316.25

Step by Step Solution

1. Step 1: Write the proportion equation
   931.50 : 1,316.25 = 1,316.25 : x
2. Step 2: Convert to fraction form
   931.50/1,316.25 = 1,316.25/x
3. Step 3: Cross multiply
   931.50x = 1,316.25 × 1,316.25
4. Step 4: Simplify right side
   931.50x = 1,732,514.06
5. Step 5: Solve for x
   x = 1,732,514.06/931.50
6. Step 6: Final answer
   x = 1,859.92