Finding the Third Proportional to 112,745.50 and 178,395

Step by Step Solution

1. Step 1: Write the proportion equation
   112,745.50 : 178,395 = 178,395 : x
2. Step 2: Convert to fraction form
   112,745.50/178,395 = 178,395/x
3. Step 3: Cross multiply
   112,745.50x = 178,395 × 178,395
4. Step 4: Simplify right side
   112,745.50x = 31,824,776,025
5. Step 5: Solve for x
   x = 31,824,776,025/112,745.50
6. Step 6: Final answer
   x = 282,270.92