Finding the Third Proportional to 161,804 and 253,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,804 : 253,269.50 = 253,269.50 : x
2. Step 2: Convert to fraction form
   161,804/253,269.50 = 253,269.50/x
3. Step 3: Cross multiply
   161,804x = 253,269.50 × 253,269.50
4. Step 4: Simplify right side
   161,804x = 64,145,439,630.25
5. Step 5: Solve for x
   x = 64,145,439,630.25/161,804
6. Step 6: Final answer
   x = 396,439.15