Finding the Third Proportional to 249,111 and 544,980

Step by Step Solution

1. Step 1: Write the proportion equation
   249,111 : 544,980 = 544,980 : x
2. Step 2: Convert to fraction form
   249,111/544,980 = 544,980/x
3. Step 3: Cross multiply
   249,111x = 544,980 × 544,980
4. Step 4: Simplify right side
   249,111x = 297,003,200,400
5. Step 5: Solve for x
   x = 297,003,200,400/249,111
6. Step 6: Final answer
   x = 1,192,252.45