Finding the Third Proportional to 42,936.50 and 87,086

Step by Step Solution

1. Step 1: Write the proportion equation
   42,936.50 : 87,086 = 87,086 : x
2. Step 2: Convert to fraction form
   42,936.50/87,086 = 87,086/x
3. Step 3: Cross multiply
   42,936.50x = 87,086 × 87,086
4. Step 4: Simplify right side
   42,936.50x = 7,583,971,396
5. Step 5: Solve for x
   x = 7,583,971,396/42,936.50
6. Step 6: Final answer
   x = 176,632.27