Finding the Third Proportional to 18,682 and 28,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,682 : 28,045.50 = 28,045.50 : x
2. Step 2: Convert to fraction form
   18,682/28,045.50 = 28,045.50/x
3. Step 3: Cross multiply
   18,682x = 28,045.50 × 28,045.50
4. Step 4: Simplify right side
   18,682x = 786,550,070.25
5. Step 5: Solve for x
   x = 786,550,070.25/18,682
6. Step 6: Final answer
   x = 42,102.03