Finding the Third Proportional to 131,563.50 and 288,168

Step by Step Solution

1. Step 1: Write the proportion equation
   131,563.50 : 288,168 = 288,168 : x
2. Step 2: Convert to fraction form
   131,563.50/288,168 = 288,168/x
3. Step 3: Cross multiply
   131,563.50x = 288,168 × 288,168
4. Step 4: Simplify right side
   131,563.50x = 83,040,796,224
5. Step 5: Solve for x
   x = 83,040,796,224/131,563.50
6. Step 6: Final answer
   x = 631,184.15