Finding the Third Proportional to 134,180 and 294,280

Step by Step Solution

1. Step 1: Write the proportion equation
   134,180 : 294,280 = 294,280 : x
2. Step 2: Convert to fraction form
   134,180/294,280 = 294,280/x
3. Step 3: Cross multiply
   134,180x = 294,280 × 294,280
4. Step 4: Simplify right side
   134,180x = 86,600,718,400
5. Step 5: Solve for x
   x = 86,600,718,400/134,180
6. Step 6: Final answer
   x = 645,407.05