Finding the Third Proportional to 18,516 and 30,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,516 : 30,082.50 = 30,082.50 : x
2. Step 2: Convert to fraction form
   18,516/30,082.50 = 30,082.50/x
3. Step 3: Cross multiply
   18,516x = 30,082.50 × 30,082.50
4. Step 4: Simplify right side
   18,516x = 904,956,806.25
5. Step 5: Solve for x
   x = 904,956,806.25/18,516
6. Step 6: Final answer
   x = 48,874.31