Finding the Third Proportional to 5,307.75 and 11,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,307.75 : 11,131.88 = 11,131.88 : x
2. Step 2: Convert to fraction form
   5,307.75/11,131.88 = 11,131.88/x
3. Step 3: Cross multiply
   5,307.75x = 11,131.88 × 11,131.88
4. Step 4: Simplify right side
   5,307.75x = 123,918,641.02
5. Step 5: Solve for x
   x = 123,918,641.02/5,307.75
6. Step 6: Final answer
   x = 23,346.74