Finding the Third Proportional to 172,150 and 372,886

Step by Step Solution

1. Step 1: Write the proportion equation
   172,150 : 372,886 = 372,886 : x
2. Step 2: Convert to fraction form
   172,150/372,886 = 372,886/x
3. Step 3: Cross multiply
   172,150x = 372,886 × 372,886
4. Step 4: Simplify right side
   172,150x = 139,043,968,996
5. Step 5: Solve for x
   x = 139,043,968,996/172,150
6. Step 6: Final answer
   x = 807,690.79