Finding the Third Proportional to 249,246 and 543,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,246 : 543,604.50 = 543,604.50 : x
2. Step 2: Convert to fraction form
   249,246/543,604.50 = 543,604.50/x
3. Step 3: Cross multiply
   249,246x = 543,604.50 × 543,604.50
4. Step 4: Simplify right side
   249,246x = 295,505,852,420.25
5. Step 5: Solve for x
   x = 295,505,852,420.25/249,246
6. Step 6: Final answer
   x = 1,185,599.18