Finding the Third Proportional to 21,127.50 and 29,539.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,127.50 : 29,539.69 = 29,539.69 : x
2. Step 2: Convert to fraction form
   21,127.50/29,539.69 = 29,539.69/x
3. Step 3: Cross multiply
   21,127.50x = 29,539.69 × 29,539.69
4. Step 4: Simplify right side
   21,127.50x = 872,593,137.60
5. Step 5: Solve for x
   x = 872,593,137.60/21,127.50
6. Step 6: Final answer
   x = 41,301.30