Finding the Third Proportional to 11,116 and 15,090

Step by Step Solution

1. Step 1: Write the proportion equation
   11,116 : 15,090 = 15,090 : x
2. Step 2: Convert to fraction form
   11,116/15,090 = 15,090/x
3. Step 3: Cross multiply
   11,116x = 15,090 × 15,090
4. Step 4: Simplify right side
   11,116x = 227,708,100
5. Step 5: Solve for x
   x = 227,708,100/11,116
6. Step 6: Final answer
   x = 20,484.72