Finding the Third Proportional to 40,355 and 87,514

Step by Step Solution

1. Step 1: Write the proportion equation
   40,355 : 87,514 = 87,514 : x
2. Step 2: Convert to fraction form
   40,355/87,514 = 87,514/x
3. Step 3: Cross multiply
   40,355x = 87,514 × 87,514
4. Step 4: Simplify right side
   40,355x = 7,658,700,196
5. Step 5: Solve for x
   x = 7,658,700,196/40,355
6. Step 6: Final answer
   x = 189,783.18