Finding the Third Proportional to 248,146.50 and 525,543

Step by Step Solution

1. Step 1: Write the proportion equation
   248,146.50 : 525,543 = 525,543 : x
2. Step 2: Convert to fraction form
   248,146.50/525,543 = 525,543/x
3. Step 3: Cross multiply
   248,146.50x = 525,543 × 525,543
4. Step 4: Simplify right side
   248,146.50x = 276,195,444,849
5. Step 5: Solve for x
   x = 276,195,444,849/248,146.50
6. Step 6: Final answer
   x = 1,113,033.81