Finding the Third Proportional to 18,708 and 28,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,708 : 28,084.50 = 28,084.50 : x
2. Step 2: Convert to fraction form
   18,708/28,084.50 = 28,084.50/x
3. Step 3: Cross multiply
   18,708x = 28,084.50 × 28,084.50
4. Step 4: Simplify right side
   18,708x = 788,739,140.25
5. Step 5: Solve for x
   x = 788,739,140.25/18,708
6. Step 6: Final answer
   x = 42,160.53