Finding the Third Proportional to 143,014.50 and 310,632

Step by Step Solution

1. Step 1: Write the proportion equation
   143,014.50 : 310,632 = 310,632 : x
2. Step 2: Convert to fraction form
   143,014.50/310,632 = 310,632/x
3. Step 3: Cross multiply
   143,014.50x = 310,632 × 310,632
4. Step 4: Simplify right side
   143,014.50x = 96,492,239,424
5. Step 5: Solve for x
   x = 96,492,239,424/143,014.50
6. Step 6: Final answer
   x = 674,702.49