Finding the Third Proportional to 65,210.50 and 142,922

Step by Step Solution

1. Step 1: Write the proportion equation
   65,210.50 : 142,922 = 142,922 : x
2. Step 2: Convert to fraction form
   65,210.50/142,922 = 142,922/x
3. Step 3: Cross multiply
   65,210.50x = 142,922 × 142,922
4. Step 4: Simplify right side
   65,210.50x = 20,426,698,084
5. Step 5: Solve for x
   x = 20,426,698,084/65,210.50
6. Step 6: Final answer
   x = 313,242.47