Finding the Third Proportional to 42,042 and 87,977

Step by Step Solution

1. Step 1: Write the proportion equation
   42,042 : 87,977 = 87,977 : x
2. Step 2: Convert to fraction form
   42,042/87,977 = 87,977/x
3. Step 3: Cross multiply
   42,042x = 87,977 × 87,977
4. Step 4: Simplify right side
   42,042x = 7,739,952,529
5. Step 5: Solve for x
   x = 7,739,952,529/42,042
6. Step 6: Final answer
   x = 184,100.48