Finding the Third Proportional to 70,016.50 and 153,639

Step by Step Solution

1. Step 1: Write the proportion equation
   70,016.50 : 153,639 = 153,639 : x
2. Step 2: Convert to fraction form
   70,016.50/153,639 = 153,639/x
3. Step 3: Cross multiply
   70,016.50x = 153,639 × 153,639
4. Step 4: Simplify right side
   70,016.50x = 23,604,942,321
5. Step 5: Solve for x
   x = 23,604,942,321/70,016.50
6. Step 6: Final answer
   x = 337,133.99