Finding the Third Proportional to 72,436 and 112,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,436 : 112,067.50 = 112,067.50 : x
2. Step 2: Convert to fraction form
   72,436/112,067.50 = 112,067.50/x
3. Step 3: Cross multiply
   72,436x = 112,067.50 × 112,067.50
4. Step 4: Simplify right side
   72,436x = 12,559,124,556.25
5. Step 5: Solve for x
   x = 12,559,124,556.25/72,436
6. Step 6: Final answer
   x = 173,382.36