Finding the Third Proportional to 42,857 and 87,802

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857 : 87,802 = 87,802 : x
2. Step 2: Convert to fraction form
   42,857/87,802 = 87,802/x
3. Step 3: Cross multiply
   42,857x = 87,802 × 87,802
4. Step 4: Simplify right side
   42,857x = 7,709,191,204
5. Step 5: Solve for x
   x = 7,709,191,204/42,857
6. Step 6: Final answer
   x = 179,881.73