Finding the Third Proportional to 40,286.11 and 87,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,286.11 : 87,740.72 = 87,740.72 : x
2. Step 2: Convert to fraction form
   40,286.11/87,740.72 = 87,740.72/x
3. Step 3: Cross multiply
   40,286.11x = 87,740.72 × 87,740.72
4. Step 4: Simplify right side
   40,286.11x = 7,698,433,726.77
5. Step 5: Solve for x
   x = 7,698,433,726.77/40,286.11
6. Step 6: Final answer
   x = 191,094.00