Finding the Third Proportional to 40,548.09 and 87,089.77

Step by Step Solution

1. Step 1: Write the proportion equation
   40,548.09 : 87,089.77 = 87,089.77 : x
2. Step 2: Convert to fraction form
   40,548.09/87,089.77 = 87,089.77/x
3. Step 3: Cross multiply
   40,548.09x = 87,089.77 × 87,089.77
4. Step 4: Simplify right side
   40,548.09x = 7,584,627,276.62
5. Step 5: Solve for x
   x = 7,584,627,276.62/40,548.09
6. Step 6: Final answer
   x = 187,052.62