Finding the Third Proportional to 21,693 and 29,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,693 : 29,467.50 = 29,467.50 : x
2. Step 2: Convert to fraction form
   21,693/29,467.50 = 29,467.50/x
3. Step 3: Cross multiply
   21,693x = 29,467.50 × 29,467.50
4. Step 4: Simplify right side
   21,693x = 868,333,556.25
5. Step 5: Solve for x
   x = 868,333,556.25/21,693
6. Step 6: Final answer
   x = 40,028.28