Finding the Third Proportional to 21,352.50 and 31,929.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,352.50 : 31,929.75 = 31,929.75 : x
2. Step 2: Convert to fraction form
   21,352.50/31,929.75 = 31,929.75/x
3. Step 3: Cross multiply
   21,352.50x = 31,929.75 × 31,929.75
4. Step 4: Simplify right side
   21,352.50x = 1,019,508,935.06
5. Step 5: Solve for x
   x = 1,019,508,935.06/21,352.50
6. Step 6: Final answer
   x = 47,746.58