Finding the Third Proportional to 249,054 and 550,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,054 : 550,438.50 = 550,438.50 : x
2. Step 2: Convert to fraction form
   249,054/550,438.50 = 550,438.50/x
3. Step 3: Cross multiply
   249,054x = 550,438.50 × 550,438.50
4. Step 4: Simplify right side
   249,054x = 302,982,542,282.25
5. Step 5: Solve for x
   x = 302,982,542,282.25/249,054
6. Step 6: Final answer
   x = 1,216,533.53