Finding the Third Proportional to 116,671.50 and 274,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,671.50 : 274,558.50 = 274,558.50 : x
2. Step 2: Convert to fraction form
   116,671.50/274,558.50 = 274,558.50/x
3. Step 3: Cross multiply
   116,671.50x = 274,558.50 × 274,558.50
4. Step 4: Simplify right side
   116,671.50x = 75,382,369,922.25
5. Step 5: Solve for x
   x = 75,382,369,922.25/116,671.50
6. Step 6: Final answer
   x = 646,107.83