Finding the Third Proportional to 161,703 and 254,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,703 : 254,434.50 = 254,434.50 : x
2. Step 2: Convert to fraction form
   161,703/254,434.50 = 254,434.50/x
3. Step 3: Cross multiply
   161,703x = 254,434.50 × 254,434.50
4. Step 4: Simplify right side
   161,703x = 64,736,914,790.25
5. Step 5: Solve for x
   x = 64,736,914,790.25/161,703
6. Step 6: Final answer
   x = 400,344.55