Finding the Third Proportional to 59,914.69 and 138,715.03

Step by Step Solution

1. Step 1: Write the proportion equation
   59,914.69 : 138,715.03 = 138,715.03 : x
2. Step 2: Convert to fraction form
   59,914.69/138,715.03 = 138,715.03/x
3. Step 3: Cross multiply
   59,914.69x = 138,715.03 × 138,715.03
4. Step 4: Simplify right side
   59,914.69x = 19,241,859,894.69
5. Step 5: Solve for x
   x = 19,241,859,894.69/59,914.69
6. Step 6: Final answer
   x = 321,154.31