Finding the Third Proportional to 27,178.88 and 43,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   27,178.88 : 43,238.81 = 43,238.81 : x
2. Step 2: Convert to fraction form
   27,178.88/43,238.81 = 43,238.81/x
3. Step 3: Cross multiply
   27,178.88x = 43,238.81 × 43,238.81
4. Step 4: Simplify right side
   27,178.88x = 1,869,594,906.41
5. Step 5: Solve for x
   x = 1,869,594,906.41/27,178.88
6. Step 6: Final answer
   x = 68,788.53