Finding the Third Proportional to 172,160 and 374,816

Step by Step Solution

1. Step 1: Write the proportion equation
   172,160 : 374,816 = 374,816 : x
2. Step 2: Convert to fraction form
   172,160/374,816 = 374,816/x
3. Step 3: Cross multiply
   172,160x = 374,816 × 374,816
4. Step 4: Simplify right side
   172,160x = 140,487,033,856
5. Step 5: Solve for x
   x = 140,487,033,856/172,160
6. Step 6: Final answer
   x = 816,025.99