Finding the Third Proportional to 264,748.50 and 404,048.25

Step by Step Solution

1. Step 1: Write the proportion equation
   264,748.50 : 404,048.25 = 404,048.25 : x
2. Step 2: Convert to fraction form
   264,748.50/404,048.25 = 404,048.25/x
3. Step 3: Cross multiply
   264,748.50x = 404,048.25 × 404,048.25
4. Step 4: Simplify right side
   264,748.50x = 163,254,988,328.06
5. Step 5: Solve for x
   x = 163,254,988,328.06/264,748.50
6. Step 6: Final answer
   x = 616,641.79