Finding the Third Proportional to 71,752 and 111,729

Step by Step Solution

1. Step 1: Write the proportion equation
   71,752 : 111,729 = 111,729 : x
2. Step 2: Convert to fraction form
   71,752/111,729 = 111,729/x
3. Step 3: Cross multiply
   71,752x = 111,729 × 111,729
4. Step 4: Simplify right side
   71,752x = 12,483,369,441
5. Step 5: Solve for x
   x = 12,483,369,441/71,752
6. Step 6: Final answer
   x = 173,979.39