Finding the Third Proportional to 248,152.50 and 543,564

Step by Step Solution

1. Step 1: Write the proportion equation
   248,152.50 : 543,564 = 543,564 : x
2. Step 2: Convert to fraction form
   248,152.50/543,564 = 543,564/x
3. Step 3: Cross multiply
   248,152.50x = 543,564 × 543,564
4. Step 4: Simplify right side
   248,152.50x = 295,461,822,096
5. Step 5: Solve for x
   x = 295,461,822,096/248,152.50
6. Step 6: Final answer
   x = 1,190,646.16