Finding the Third Proportional to 59,965.50 and 138,837

Step by Step Solution

1. Step 1: Write the proportion equation
   59,965.50 : 138,837 = 138,837 : x
2. Step 2: Convert to fraction form
   59,965.50/138,837 = 138,837/x
3. Step 3: Cross multiply
   59,965.50x = 138,837 × 138,837
4. Step 4: Simplify right side
   59,965.50x = 19,275,712,569
5. Step 5: Solve for x
   x = 19,275,712,569/59,965.50
6. Step 6: Final answer
   x = 321,446.71