Finding the Third Proportional to 171,550.50 and 378,003

Step by Step Solution

1. Step 1: Write the proportion equation
   171,550.50 : 378,003 = 378,003 : x
2. Step 2: Convert to fraction form
   171,550.50/378,003 = 378,003/x
3. Step 3: Cross multiply
   171,550.50x = 378,003 × 378,003
4. Step 4: Simplify right side
   171,550.50x = 142,886,268,009
5. Step 5: Solve for x
   x = 142,886,268,009/171,550.50
6. Step 6: Final answer
   x = 832,910.82