Finding the Third Proportional to 249,979.50 and 539,244

Step by Step Solution

1. Step 1: Write the proportion equation
   249,979.50 : 539,244 = 539,244 : x
2. Step 2: Convert to fraction form
   249,979.50/539,244 = 539,244/x
3. Step 3: Cross multiply
   249,979.50x = 539,244 × 539,244
4. Step 4: Simplify right side
   249,979.50x = 290,784,091,536
5. Step 5: Solve for x
   x = 290,784,091,536/249,979.50
6. Step 6: Final answer
   x = 1,163,231.75