Finding the Third Proportional to 166,225.50 and 356,103

Step by Step Solution

1. Step 1: Write the proportion equation
   166,225.50 : 356,103 = 356,103 : x
2. Step 2: Convert to fraction form
   166,225.50/356,103 = 356,103/x
3. Step 3: Cross multiply
   166,225.50x = 356,103 × 356,103
4. Step 4: Simplify right side
   166,225.50x = 126,809,346,609
5. Step 5: Solve for x
   x = 126,809,346,609/166,225.50
6. Step 6: Final answer
   x = 762,875.41