Finding the Third Proportional to 248,708 and 532,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,708 : 532,872.50 = 532,872.50 : x
2. Step 2: Convert to fraction form
   248,708/532,872.50 = 532,872.50/x
3. Step 3: Cross multiply
   248,708x = 532,872.50 × 532,872.50
4. Step 4: Simplify right side
   248,708x = 283,953,101,256.25
5. Step 5: Solve for x
   x = 283,953,101,256.25/248,708
6. Step 6: Final answer
   x = 1,141,712.78