Finding the Third Proportional to 170,111.87 and 372,900.59

Step by Step Solution

1. Step 1: Write the proportion equation
   170,111.87 : 372,900.59 = 372,900.59 : x
2. Step 2: Convert to fraction form
   170,111.87/372,900.59 = 372,900.59/x
3. Step 3: Cross multiply
   170,111.87x = 372,900.59 × 372,900.59
4. Step 4: Simplify right side
   170,111.87x = 139,054,846,992.53
5. Step 5: Solve for x
   x = 139,054,846,992.53/170,111.87
6. Step 6: Final answer
   x = 817,431.79