Finding the Third Proportional to 249,570 and 548,914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,570 : 548,914.50 = 548,914.50 : x
2. Step 2: Convert to fraction form
   249,570/548,914.50 = 548,914.50/x
3. Step 3: Cross multiply
   249,570x = 548,914.50 × 548,914.50
4. Step 4: Simplify right side
   249,570x = 301,307,128,310.25
5. Step 5: Solve for x
   x = 301,307,128,310.25/249,570
6. Step 6: Final answer
   x = 1,207,305.08