Finding the Third Proportional to 74,388.75 and 111,745.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,388.75 : 111,745.50 = 111,745.50 : x
2. Step 2: Convert to fraction form
   74,388.75/111,745.50 = 111,745.50/x
3. Step 3: Cross multiply
   74,388.75x = 111,745.50 × 111,745.50
4. Step 4: Simplify right side
   74,388.75x = 12,487,056,770.25
5. Step 5: Solve for x
   x = 12,487,056,770.25/74,388.75
6. Step 6: Final answer
   x = 167,862.17