Finding the Third Proportional to 172,570.50 and 372,897

Step by Step Solution

1. Step 1: Write the proportion equation
   172,570.50 : 372,897 = 372,897 : x
2. Step 2: Convert to fraction form
   172,570.50/372,897 = 372,897/x
3. Step 3: Cross multiply
   172,570.50x = 372,897 × 372,897
4. Step 4: Simplify right side
   172,570.50x = 139,052,172,609
5. Step 5: Solve for x
   x = 139,052,172,609/172,570.50
6. Step 6: Final answer
   x = 805,770.24