Finding the Third Proportional to 169,749 and 372,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,749 : 372,142.50 = 372,142.50 : x
2. Step 2: Convert to fraction form
   169,749/372,142.50 = 372,142.50/x
3. Step 3: Cross multiply
   169,749x = 372,142.50 × 372,142.50
4. Step 4: Simplify right side
   169,749x = 138,490,040,306.25
5. Step 5: Solve for x
   x = 138,490,040,306.25/169,749
6. Step 6: Final answer
   x = 815,851.88