Finding the Third Proportional to 249,904.50 and 539,724

Step by Step Solution

1. Step 1: Write the proportion equation
   249,904.50 : 539,724 = 539,724 : x
2. Step 2: Convert to fraction form
   249,904.50/539,724 = 539,724/x
3. Step 3: Cross multiply
   249,904.50x = 539,724 × 539,724
4. Step 4: Simplify right side
   249,904.50x = 291,301,996,176
5. Step 5: Solve for x
   x = 291,301,996,176/249,904.50
6. Step 6: Final answer
   x = 1,165,653.26