Finding the Third Proportional to 131,401.50 and 288,237

Step by Step Solution

1. Step 1: Write the proportion equation
   131,401.50 : 288,237 = 288,237 : x
2. Step 2: Convert to fraction form
   131,401.50/288,237 = 288,237/x
3. Step 3: Cross multiply
   131,401.50x = 288,237 × 288,237
4. Step 4: Simplify right side
   131,401.50x = 83,080,568,169
5. Step 5: Solve for x
   x = 83,080,568,169/131,401.50
6. Step 6: Final answer
   x = 632,264.99