Finding the Third Proportional to 18,607.50 and 28,082.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,607.50 : 28,082.25 = 28,082.25 : x
2. Step 2: Convert to fraction form
   18,607.50/28,082.25 = 28,082.25/x
3. Step 3: Cross multiply
   18,607.50x = 28,082.25 × 28,082.25
4. Step 4: Simplify right side
   18,607.50x = 788,612,765.06
5. Step 5: Solve for x
   x = 788,612,765.06/18,607.50
6. Step 6: Final answer
   x = 42,381.45