Finding the Third Proportional to 11,610 and 27,090

Step by Step Solution

1. Step 1: Write the proportion equation
   11,610 : 27,090 = 27,090 : x
2. Step 2: Convert to fraction form
   11,610/27,090 = 27,090/x
3. Step 3: Cross multiply
   11,610x = 27,090 × 27,090
4. Step 4: Simplify right side
   11,610x = 733,868,100
5. Step 5: Solve for x
   x = 733,868,100/11,610
6. Step 6: Final answer
   x = 63,210