Finding the Third Proportional to 87,408 and 131,064

Step by Step Solution

1. Step 1: Write the proportion equation
   87,408 : 131,064 = 131,064 : x
2. Step 2: Convert to fraction form
   87,408/131,064 = 131,064/x
3. Step 3: Cross multiply
   87,408x = 131,064 × 131,064
4. Step 4: Simplify right side
   87,408x = 17,177,772,096
5. Step 5: Solve for x
   x = 17,177,772,096/87,408
6. Step 6: Final answer
   x = 196,524.03