Finding the Third Proportional to 18,706.50 and 40,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,706.50 : 40,151.25 = 40,151.25 : x
2. Step 2: Convert to fraction form
   18,706.50/40,151.25 = 40,151.25/x
3. Step 3: Cross multiply
   18,706.50x = 40,151.25 × 40,151.25
4. Step 4: Simplify right side
   18,706.50x = 1,612,122,876.56
5. Step 5: Solve for x
   x = 1,612,122,876.56/18,706.50
6. Step 6: Final answer
   x = 86,179.82