Finding the Third Proportional to 117,867 and 254,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,867 : 254,404.50 = 254,404.50 : x
2. Step 2: Convert to fraction form
   117,867/254,404.50 = 254,404.50/x
3. Step 3: Cross multiply
   117,867x = 254,404.50 × 254,404.50
4. Step 4: Simplify right side
   117,867x = 64,721,649,620.25
5. Step 5: Solve for x
   x = 64,721,649,620.25/117,867
6. Step 6: Final answer
   x = 549,107.47