Finding the Third Proportional to 15,018 and 23,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,018 : 23,242.50 = 23,242.50 : x
2. Step 2: Convert to fraction form
   15,018/23,242.50 = 23,242.50/x
3. Step 3: Cross multiply
   15,018x = 23,242.50 × 23,242.50
4. Step 4: Simplify right side
   15,018x = 540,213,806.25
5. Step 5: Solve for x
   x = 540,213,806.25/15,018
6. Step 6: Final answer
   x = 35,971.09