Finding the Third Proportional to 172,747.50 and 375,003

Step by Step Solution

1. Step 1: Write the proportion equation
   172,747.50 : 375,003 = 375,003 : x
2. Step 2: Convert to fraction form
   172,747.50/375,003 = 375,003/x
3. Step 3: Cross multiply
   172,747.50x = 375,003 × 375,003
4. Step 4: Simplify right side
   172,747.50x = 140,627,250,009
5. Step 5: Solve for x
   x = 140,627,250,009/172,747.50
6. Step 6: Final answer
   x = 814,062.43