Finding the Third Proportional to 22,477.50 and 39,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,477.50 : 39,847.50 = 39,847.50 : x
2. Step 2: Convert to fraction form
   22,477.50/39,847.50 = 39,847.50/x
3. Step 3: Cross multiply
   22,477.50x = 39,847.50 × 39,847.50
4. Step 4: Simplify right side
   22,477.50x = 1,587,823,256.25
5. Step 5: Solve for x
   x = 1,587,823,256.25/22,477.50
6. Step 6: Final answer
   x = 70,640.56