Finding the Third Proportional to 131,669 and 188,156

Step by Step Solution

1. Step 1: Write the proportion equation
   131,669 : 188,156 = 188,156 : x
2. Step 2: Convert to fraction form
   131,669/188,156 = 188,156/x
3. Step 3: Cross multiply
   131,669x = 188,156 × 188,156
4. Step 4: Simplify right side
   131,669x = 35,402,680,336
5. Step 5: Solve for x
   x = 35,402,680,336/131,669
6. Step 6: Final answer
   x = 268,876.35