Finding the Third Proportional to 148,728 and 208,026

Step by Step Solution

1. Step 1: Write the proportion equation
   148,728 : 208,026 = 208,026 : x
2. Step 2: Convert to fraction form
   148,728/208,026 = 208,026/x
3. Step 3: Cross multiply
   148,728x = 208,026 × 208,026
4. Step 4: Simplify right side
   148,728x = 43,274,816,676
5. Step 5: Solve for x
   x = 43,274,816,676/148,728
6. Step 6: Final answer
   x = 290,966.17