Finding the Third Proportional to 42,046.50 and 87,987

Step by Step Solution

1. Step 1: Write the proportion equation
   42,046.50 : 87,987 = 87,987 : x
2. Step 2: Convert to fraction form
   42,046.50/87,987 = 87,987/x
3. Step 3: Cross multiply
   42,046.50x = 87,987 × 87,987
4. Step 4: Simplify right side
   42,046.50x = 7,741,712,169
5. Step 5: Solve for x
   x = 7,741,712,169/42,046.50
6. Step 6: Final answer
   x = 184,122.63