Finding the Third Proportional to 11,031.75 and 21,506.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,031.75 : 21,506.63 = 21,506.63 : x
2. Step 2: Convert to fraction form
   11,031.75/21,506.63 = 21,506.63/x
3. Step 3: Cross multiply
   11,031.75x = 21,506.63 × 21,506.63
4. Step 4: Simplify right side
   11,031.75x = 462,534,918.89
5. Step 5: Solve for x
   x = 462,534,918.89/11,031.75
6. Step 6: Final answer
   x = 41,927.61