Finding the Third Proportional to 63,945 and 139,446

Step by Step Solution

1. Step 1: Write the proportion equation
   63,945 : 139,446 = 139,446 : x
2. Step 2: Convert to fraction form
   63,945/139,446 = 139,446/x
3. Step 3: Cross multiply
   63,945x = 139,446 × 139,446
4. Step 4: Simplify right side
   63,945x = 19,445,186,916
5. Step 5: Solve for x
   x = 19,445,186,916/63,945
6. Step 6: Final answer
   x = 304,092.37