Finding the Third Proportional to 40,930 and 87,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,930 : 87,839.50 = 87,839.50 : x
2. Step 2: Convert to fraction form
   40,930/87,839.50 = 87,839.50/x
3. Step 3: Cross multiply
   40,930x = 87,839.50 × 87,839.50
4. Step 4: Simplify right side
   40,930x = 7,715,777,760.25
5. Step 5: Solve for x
   x = 7,715,777,760.25/40,930
6. Step 6: Final answer
   x = 188,511.55