Finding the Third Proportional to 271,371.50 and 405,006.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,371.50 : 405,006.50 = 405,006.50 : x
2. Step 2: Convert to fraction form
   271,371.50/405,006.50 = 405,006.50/x
3. Step 3: Cross multiply
   271,371.50x = 405,006.50 × 405,006.50
4. Step 4: Simplify right side
   271,371.50x = 164,030,265,042.25
5. Step 5: Solve for x
   x = 164,030,265,042.25/271,371.50
6. Step 6: Final answer
   x = 604,449.12