Finding the Third Proportional to 169,521 and 372,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,521 : 372,940.50 = 372,940.50 : x
2. Step 2: Convert to fraction form
   169,521/372,940.50 = 372,940.50/x
3. Step 3: Cross multiply
   169,521x = 372,940.50 × 372,940.50
4. Step 4: Simplify right side
   169,521x = 139,084,616,540.25
5. Step 5: Solve for x
   x = 139,084,616,540.25/169,521
6. Step 6: Final answer
   x = 820,456.56