Finding the Third Proportional to 63,859 and 139,382

Step by Step Solution

1. Step 1: Write the proportion equation
   63,859 : 139,382 = 139,382 : x
2. Step 2: Convert to fraction form
   63,859/139,382 = 139,382/x
3. Step 3: Cross multiply
   63,859x = 139,382 × 139,382
4. Step 4: Simplify right side
   63,859x = 19,427,341,924
5. Step 5: Solve for x
   x = 19,427,341,924/63,859
6. Step 6: Final answer
   x = 304,222.46