Finding the Third Proportional to 17,666.44 and 21,493.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.44 : 21,493.69 = 21,493.69 : x
2. Step 2: Convert to fraction form
   17,666.44/21,493.69 = 21,493.69/x
3. Step 3: Cross multiply
   17,666.44x = 21,493.69 × 21,493.69
4. Step 4: Simplify right side
   17,666.44x = 461,978,602.35
5. Step 5: Solve for x
   x = 461,978,602.35/17,666.44
6. Step 6: Final answer
   x = 26,150.07