Finding the Third Proportional to 54,187.10 and 86,297.27

Step by Step Solution

1. Step 1: Write the proportion equation
   54,187.10 : 86,297.27 = 86,297.27 : x
2. Step 2: Convert to fraction form
   54,187.10/86,297.27 = 86,297.27/x
3. Step 3: Cross multiply
   54,187.10x = 86,297.27 × 86,297.27
4. Step 4: Simplify right side
   54,187.10x = 7,447,219,402.75
5. Step 5: Solve for x
   x = 7,447,219,402.75/54,187.10
6. Step 6: Final answer
   x = 137,435.28