Finding the Third Proportional to 27,148.50 and 73,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,148.50 : 73,399.50 = 73,399.50 : x
2. Step 2: Convert to fraction form
   27,148.50/73,399.50 = 73,399.50/x
3. Step 3: Cross multiply
   27,148.50x = 73,399.50 × 73,399.50
4. Step 4: Simplify right side
   27,148.50x = 5,387,486,600.25
5. Step 5: Solve for x
   x = 5,387,486,600.25/27,148.50
6. Step 6: Final answer
   x = 198,445.09