Finding the Third Proportional to 132,181.50 and 188,430

Step by Step Solution

1. Step 1: Write the proportion equation
   132,181.50 : 188,430 = 188,430 : x
2. Step 2: Convert to fraction form
   132,181.50/188,430 = 188,430/x
3. Step 3: Cross multiply
   132,181.50x = 188,430 × 188,430
4. Step 4: Simplify right side
   132,181.50x = 35,505,864,900
5. Step 5: Solve for x
   x = 35,505,864,900/132,181.50
6. Step 6: Final answer
   x = 268,614.48