Finding the Third Proportional to 117,981.50 and 254,746

Step by Step Solution

1. Step 1: Write the proportion equation
   117,981.50 : 254,746 = 254,746 : x
2. Step 2: Convert to fraction form
   117,981.50/254,746 = 254,746/x
3. Step 3: Cross multiply
   117,981.50x = 254,746 × 254,746
4. Step 4: Simplify right side
   117,981.50x = 64,895,524,516
5. Step 5: Solve for x
   x = 64,895,524,516/117,981.50
6. Step 6: Final answer
   x = 550,048.31