Finding the Third Proportional to 21,777.19 and 24,031.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,777.19 : 24,031.69 = 24,031.69 : x
2. Step 2: Convert to fraction form
   21,777.19/24,031.69 = 24,031.69/x
3. Step 3: Cross multiply
   21,777.19x = 24,031.69 × 24,031.69
4. Step 4: Simplify right side
   21,777.19x = 577,522,004.10
5. Step 5: Solve for x
   x = 577,522,004.10/21,777.19
6. Step 6: Final answer
   x = 26,519.59