Finding the Third Proportional to 21,613.50 and 31,718.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,613.50 : 31,718.25 = 31,718.25 : x
2. Step 2: Convert to fraction form
   21,613.50/31,718.25 = 31,718.25/x
3. Step 3: Cross multiply
   21,613.50x = 31,718.25 × 31,718.25
4. Step 4: Simplify right side
   21,613.50x = 1,006,047,383.06
5. Step 5: Solve for x
   x = 1,006,047,383.06/21,613.50
6. Step 6: Final answer
   x = 46,547.18