Finding the Third Proportional to 264,480 and 397,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,480 : 397,306.50 = 397,306.50 : x
2. Step 2: Convert to fraction form
   264,480/397,306.50 = 397,306.50/x
3. Step 3: Cross multiply
   264,480x = 397,306.50 × 397,306.50
4. Step 4: Simplify right side
   264,480x = 157,852,454,942.25
5. Step 5: Solve for x
   x = 157,852,454,942.25/264,480
6. Step 6: Final answer
   x = 596,840.80