Finding the Third Proportional to 87,456 and 131,248

Step by Step Solution

1. Step 1: Write the proportion equation
   87,456 : 131,248 = 131,248 : x
2. Step 2: Convert to fraction form
   87,456/131,248 = 131,248/x
3. Step 3: Cross multiply
   87,456x = 131,248 × 131,248
4. Step 4: Simplify right side
   87,456x = 17,226,037,504
5. Step 5: Solve for x
   x = 17,226,037,504/87,456
6. Step 6: Final answer
   x = 196,968.05