Finding the Third Proportional to 65,068.50 and 142,593

Step by Step Solution

1. Step 1: Write the proportion equation
   65,068.50 : 142,593 = 142,593 : x
2. Step 2: Convert to fraction form
   65,068.50/142,593 = 142,593/x
3. Step 3: Cross multiply
   65,068.50x = 142,593 × 142,593
4. Step 4: Simplify right side
   65,068.50x = 20,332,763,649
5. Step 5: Solve for x
   x = 20,332,763,649/65,068.50
6. Step 6: Final answer
   x = 312,482.44