Finding the Third Proportional to 134,610 and 208,406

Step by Step Solution

1. Step 1: Write the proportion equation
   134,610 : 208,406 = 208,406 : x
2. Step 2: Convert to fraction form
   134,610/208,406 = 208,406/x
3. Step 3: Cross multiply
   134,610x = 208,406 × 208,406
4. Step 4: Simplify right side
   134,610x = 43,433,060,836
5. Step 5: Solve for x
   x = 43,433,060,836/134,610
6. Step 6: Final answer
   x = 322,658.50