Finding the Third Proportional to 141,892 and 222,630

Step by Step Solution

1. Step 1: Write the proportion equation
   141,892 : 222,630 = 222,630 : x
2. Step 2: Convert to fraction form
   141,892/222,630 = 222,630/x
3. Step 3: Cross multiply
   141,892x = 222,630 × 222,630
4. Step 4: Simplify right side
   141,892x = 49,564,116,900
5. Step 5: Solve for x
   x = 49,564,116,900/141,892
6. Step 6: Final answer
   x = 349,308.75