Finding the Third Proportional to 72,273 and 111,226

Step by Step Solution

1. Step 1: Write the proportion equation
   72,273 : 111,226 = 111,226 : x
2. Step 2: Convert to fraction form
   72,273/111,226 = 111,226/x
3. Step 3: Cross multiply
   72,273x = 111,226 × 111,226
4. Step 4: Simplify right side
   72,273x = 12,371,223,076
5. Step 5: Solve for x
   x = 12,371,223,076/72,273
6. Step 6: Final answer
   x = 171,173.51