Finding the Third Proportional to 131,513.50 and 186,089

Step by Step Solution

1. Step 1: Write the proportion equation
   131,513.50 : 186,089 = 186,089 : x
2. Step 2: Convert to fraction form
   131,513.50/186,089 = 186,089/x
3. Step 3: Cross multiply
   131,513.50x = 186,089 × 186,089
4. Step 4: Simplify right side
   131,513.50x = 34,629,115,921
5. Step 5: Solve for x
   x = 34,629,115,921/131,513.50
6. Step 6: Final answer
   x = 263,312.25