Finding the Third Proportional to 15,120 and 32,916

Step by Step Solution

1. Step 1: Write the proportion equation
   15,120 : 32,916 = 32,916 : x
2. Step 2: Convert to fraction form
   15,120/32,916 = 32,916/x
3. Step 3: Cross multiply
   15,120x = 32,916 × 32,916
4. Step 4: Simplify right side
   15,120x = 1,083,463,056
5. Step 5: Solve for x
   x = 1,083,463,056/15,120
6. Step 6: Final answer
   x = 71,657.61