Finding the Third Proportional to 63,570 and 86,238

Step by Step Solution

1. Step 1: Write the proportion equation
   63,570 : 86,238 = 86,238 : x
2. Step 2: Convert to fraction form
   63,570/86,238 = 86,238/x
3. Step 3: Cross multiply
   63,570x = 86,238 × 86,238
4. Step 4: Simplify right side
   63,570x = 7,436,992,644
5. Step 5: Solve for x
   x = 7,436,992,644/63,570
6. Step 6: Final answer
   x = 116,989.03