Finding the Third Proportional to 18,058.50 and 38,971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,058.50 : 38,971.69 = 38,971.69 : x
2. Step 2: Convert to fraction form
   18,058.50/38,971.69 = 38,971.69/x
3. Step 3: Cross multiply
   18,058.50x = 38,971.69 × 38,971.69
4. Step 4: Simplify right side
   18,058.50x = 1,518,792,426.60
5. Step 5: Solve for x
   x = 1,518,792,426.60/18,058.50
6. Step 6: Final answer
   x = 84,104.02