Finding the Third Proportional to 63,500 and 139,532

Step by Step Solution

1. Step 1: Write the proportion equation
   63,500 : 139,532 = 139,532 : x
2. Step 2: Convert to fraction form
   63,500/139,532 = 139,532/x
3. Step 3: Cross multiply
   63,500x = 139,532 × 139,532
4. Step 4: Simplify right side
   63,500x = 19,469,179,024
5. Step 5: Solve for x
   x = 19,469,179,024/63,500
6. Step 6: Final answer
   x = 306,601.24