Finding the Third Proportional to 87,902 and 139,758

Step by Step Solution

1. Step 1: Write the proportion equation
   87,902 : 139,758 = 139,758 : x
2. Step 2: Convert to fraction form
   87,902/139,758 = 139,758/x
3. Step 3: Cross multiply
   87,902x = 139,758 × 139,758
4. Step 4: Simplify right side
   87,902x = 19,532,298,564
5. Step 5: Solve for x
   x = 19,532,298,564/87,902
6. Step 6: Final answer
   x = 222,205.39