Finding the Third Proportional to 15,144.19 and 31,043.81

Step by Step Solution

1. Step 1: Write the proportion equation
   15,144.19 : 31,043.81 = 31,043.81 : x
2. Step 2: Convert to fraction form
   15,144.19/31,043.81 = 31,043.81/x
3. Step 3: Cross multiply
   15,144.19x = 31,043.81 × 31,043.81
4. Step 4: Simplify right side
   15,144.19x = 963,718,294.54
5. Step 5: Solve for x
   x = 963,718,294.54/15,144.19
6. Step 6: Final answer
   x = 63,636.18