Finding the Third Proportional to 131,988 and 189,141

Step by Step Solution

1. Step 1: Write the proportion equation
   131,988 : 189,141 = 189,141 : x
2. Step 2: Convert to fraction form
   131,988/189,141 = 189,141/x
3. Step 3: Cross multiply
   131,988x = 189,141 × 189,141
4. Step 4: Simplify right side
   131,988x = 35,774,317,881
5. Step 5: Solve for x
   x = 35,774,317,881/131,988
6. Step 6: Final answer
   x = 271,042.20