Finding the Third Proportional to 21,324 and 29,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,324 : 29,827.50 = 29,827.50 : x
2. Step 2: Convert to fraction form
   21,324/29,827.50 = 29,827.50/x
3. Step 3: Cross multiply
   21,324x = 29,827.50 × 29,827.50
4. Step 4: Simplify right side
   21,324x = 889,679,756.25
5. Step 5: Solve for x
   x = 889,679,756.25/21,324
6. Step 6: Final answer
   x = 41,721.99