Finding the Third Proportional to 250,258.50 and 539,886

Step by Step Solution

1. Step 1: Write the proportion equation
   250,258.50 : 539,886 = 539,886 : x
2. Step 2: Convert to fraction form
   250,258.50/539,886 = 539,886/x
3. Step 3: Cross multiply
   250,258.50x = 539,886 × 539,886
4. Step 4: Simplify right side
   250,258.50x = 291,476,892,996
5. Step 5: Solve for x
   x = 291,476,892,996/250,258.50
6. Step 6: Final answer
   x = 1,164,703.27