Finding the Third Proportional to 134,622 and 273,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,622 : 273,658.50 = 273,658.50 : x
2. Step 2: Convert to fraction form
   134,622/273,658.50 = 273,658.50/x
3. Step 3: Cross multiply
   134,622x = 273,658.50 × 273,658.50
4. Step 4: Simplify right side
   134,622x = 74,888,974,622.25
5. Step 5: Solve for x
   x = 74,888,974,622.25/134,622
6. Step 6: Final answer
   x = 556,290.76