Finding the Third Proportional to 273,168.50 and 413,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   273,168.50 : 413,561.25 = 413,561.25 : x
2. Step 2: Convert to fraction form
   273,168.50/413,561.25 = 413,561.25/x
3. Step 3: Cross multiply
   273,168.50x = 413,561.25 × 413,561.25
4. Step 4: Simplify right side
   273,168.50x = 171,032,907,501.56
5. Step 5: Solve for x
   x = 171,032,907,501.56/273,168.50
6. Step 6: Final answer
   x = 626,107.72