Finding the Third Proportional to 63,859.50 and 138,773

Step by Step Solution

1. Step 1: Write the proportion equation
   63,859.50 : 138,773 = 138,773 : x
2. Step 2: Convert to fraction form
   63,859.50/138,773 = 138,773/x
3. Step 3: Cross multiply
   63,859.50x = 138,773 × 138,773
4. Step 4: Simplify right side
   63,859.50x = 19,257,945,529
5. Step 5: Solve for x
   x = 19,257,945,529/63,859.50
6. Step 6: Final answer
   x = 301,567.43