Finding the Third Proportional to 9,090.75 and 19,613.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.75 : 19,613.25 = 19,613.25 : x
2. Step 2: Convert to fraction form
   9,090.75/19,613.25 = 19,613.25/x
3. Step 3: Cross multiply
   9,090.75x = 19,613.25 × 19,613.25
4. Step 4: Simplify right side
   9,090.75x = 384,679,575.56
5. Step 5: Solve for x
   x = 384,679,575.56/9,090.75
6. Step 6: Final answer
   x = 42,315.49