Finding the Third Proportional to 131,374.50 and 288,993

Step by Step Solution

1. Step 1: Write the proportion equation
   131,374.50 : 288,993 = 288,993 : x
2. Step 2: Convert to fraction form
   131,374.50/288,993 = 288,993/x
3. Step 3: Cross multiply
   131,374.50x = 288,993 × 288,993
4. Step 4: Simplify right side
   131,374.50x = 83,516,954,049
5. Step 5: Solve for x
   x = 83,516,954,049/131,374.50
6. Step 6: Final answer
   x = 635,716.63