Finding the Third Proportional to 63,789 and 139,233

Step by Step Solution

1. Step 1: Write the proportion equation
   63,789 : 139,233 = 139,233 : x
2. Step 2: Convert to fraction form
   63,789/139,233 = 139,233/x
3. Step 3: Cross multiply
   63,789x = 139,233 × 139,233
4. Step 4: Simplify right side
   63,789x = 19,385,828,289
5. Step 5: Solve for x
   x = 19,385,828,289/63,789
6. Step 6: Final answer
   x = 303,905.51