Finding the Third Proportional to 248,565 and 372,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,565 : 372,874.50 = 372,874.50 : x
2. Step 2: Convert to fraction form
   248,565/372,874.50 = 372,874.50/x
3. Step 3: Cross multiply
   248,565x = 372,874.50 × 372,874.50
4. Step 4: Simplify right side
   248,565x = 139,035,392,750.25
5. Step 5: Solve for x
   x = 139,035,392,750.25/248,565
6. Step 6: Final answer
   x = 559,352.25