Finding the Third Proportional to 72,436 and 115,260

Step by Step Solution

1. Step 1: Write the proportion equation
   72,436 : 115,260 = 115,260 : x
2. Step 2: Convert to fraction form
   72,436/115,260 = 115,260/x
3. Step 3: Cross multiply
   72,436x = 115,260 × 115,260
4. Step 4: Simplify right side
   72,436x = 13,284,867,600
5. Step 5: Solve for x
   x = 13,284,867,600/72,436
6. Step 6: Final answer
   x = 183,401.45