Finding the Third Proportional to 11,656 and 15,076

Step by Step Solution

1. Step 1: Write the proportion equation
   11,656 : 15,076 = 15,076 : x
2. Step 2: Convert to fraction form
   11,656/15,076 = 15,076/x
3. Step 3: Cross multiply
   11,656x = 15,076 × 15,076
4. Step 4: Simplify right side
   11,656x = 227,285,776
5. Step 5: Solve for x
   x = 227,285,776/11,656
6. Step 6: Final answer
   x = 19,499.47