Finding the Third Proportional to 21,936 and 29,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,936 : 29,788.50 = 29,788.50 : x
2. Step 2: Convert to fraction form
   21,936/29,788.50 = 29,788.50/x
3. Step 3: Cross multiply
   21,936x = 29,788.50 × 29,788.50
4. Step 4: Simplify right side
   21,936x = 887,354,732.25
5. Step 5: Solve for x
   x = 887,354,732.25/21,936
6. Step 6: Final answer
   x = 40,451.98