Finding the Third Proportional to 64,543.50 and 150,849

Step by Step Solution

1. Step 1: Write the proportion equation
   64,543.50 : 150,849 = 150,849 : x
2. Step 2: Convert to fraction form
   64,543.50/150,849 = 150,849/x
3. Step 3: Cross multiply
   64,543.50x = 150,849 × 150,849
4. Step 4: Simplify right side
   64,543.50x = 22,755,420,801
5. Step 5: Solve for x
   x = 22,755,420,801/64,543.50
6. Step 6: Final answer
   x = 352,559.45