Finding the Third Proportional to 259,229 and 539,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,229 : 539,150.50 = 539,150.50 : x
2. Step 2: Convert to fraction form
   259,229/539,150.50 = 539,150.50/x
3. Step 3: Cross multiply
   259,229x = 539,150.50 × 539,150.50
4. Step 4: Simplify right side
   259,229x = 290,683,261,650.25
5. Step 5: Solve for x
   x = 290,683,261,650.25/259,229
6. Step 6: Final answer
   x = 1,121,337.74