Finding the Third Proportional to 40,360.78 and 87,987.52

Step by Step Solution

1. Step 1: Write the proportion equation
   40,360.78 : 87,987.52 = 87,987.52 : x
2. Step 2: Convert to fraction form
   40,360.78/87,987.52 = 87,987.52/x
3. Step 3: Cross multiply
   40,360.78x = 87,987.52 × 87,987.52
4. Step 4: Simplify right side
   40,360.78x = 7,741,802,905.86
5. Step 5: Solve for x
   x = 7,741,802,905.86/40,360.78
6. Step 6: Final answer
   x = 191,814.99