Finding the Third Proportional to 248,643 and 375,032.25

Step by Step Solution

1. Step 1: Write the proportion equation
   248,643 : 375,032.25 = 375,032.25 : x
2. Step 2: Convert to fraction form
   248,643/375,032.25 = 375,032.25/x
3. Step 3: Cross multiply
   248,643x = 375,032.25 × 375,032.25
4. Step 4: Simplify right side
   248,643x = 140,649,188,540.06
5. Step 5: Solve for x
   x = 140,649,188,540.06/248,643
6. Step 6: Final answer
   x = 565,667.20