Finding the Third Proportional to 117,976.50 and 254,718

Step by Step Solution

1. Step 1: Write the proportion equation
   117,976.50 : 254,718 = 254,718 : x
2. Step 2: Convert to fraction form
   117,976.50/254,718 = 254,718/x
3. Step 3: Cross multiply
   117,976.50x = 254,718 × 254,718
4. Step 4: Simplify right side
   117,976.50x = 64,881,259,524
5. Step 5: Solve for x
   x = 64,881,259,524/117,976.50
6. Step 6: Final answer
   x = 549,950.71