Finding the Third Proportional to 72,824 and 111,352

Step by Step Solution

1. Step 1: Write the proportion equation
   72,824 : 111,352 = 111,352 : x
2. Step 2: Convert to fraction form
   72,824/111,352 = 111,352/x
3. Step 3: Cross multiply
   72,824x = 111,352 × 111,352
4. Step 4: Simplify right side
   72,824x = 12,399,267,904
5. Step 5: Solve for x
   x = 12,399,267,904/72,824
6. Step 6: Final answer
   x = 170,263.48