Finding the Third Proportional to 20,828 and 29,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,828 : 29,683.50 = 29,683.50 : x
2. Step 2: Convert to fraction form
   20,828/29,683.50 = 29,683.50/x
3. Step 3: Cross multiply
   20,828x = 29,683.50 × 29,683.50
4. Step 4: Simplify right side
   20,828x = 881,110,172.25
5. Step 5: Solve for x
   x = 881,110,172.25/20,828
6. Step 6: Final answer
   x = 42,304.12