Finding the Third Proportional to 254,016 and 345,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,016 : 345,991.50 = 345,991.50 : x
2. Step 2: Convert to fraction form
   254,016/345,991.50 = 345,991.50/x
3. Step 3: Cross multiply
   254,016x = 345,991.50 × 345,991.50
4. Step 4: Simplify right side
   254,016x = 119,710,118,072.25
5. Step 5: Solve for x
   x = 119,710,118,072.25/254,016
6. Step 6: Final answer
   x = 471,269.99