Finding the Third Proportional to 143,114.50 and 310,833

Step by Step Solution

1. Step 1: Write the proportion equation
   143,114.50 : 310,833 = 310,833 : x
2. Step 2: Convert to fraction form
   143,114.50/310,833 = 310,833/x
3. Step 3: Cross multiply
   143,114.50x = 310,833 × 310,833
4. Step 4: Simplify right side
   143,114.50x = 96,617,153,889
5. Step 5: Solve for x
   x = 96,617,153,889/143,114.50
6. Step 6: Final answer
   x = 675,103.88