Finding the Third Proportional to 117,291 and 253,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,291 : 253,180.50 = 253,180.50 : x
2. Step 2: Convert to fraction form
   117,291/253,180.50 = 253,180.50/x
3. Step 3: Cross multiply
   117,291x = 253,180.50 × 253,180.50
4. Step 4: Simplify right side
   117,291x = 64,100,365,580.25
5. Step 5: Solve for x
   x = 64,100,365,580.25/117,291
6. Step 6: Final answer
   x = 546,507.11