Finding the Third Proportional to 194,072 and 308,608

Step by Step Solution

1. Step 1: Write the proportion equation
   194,072 : 308,608 = 308,608 : x
2. Step 2: Convert to fraction form
   194,072/308,608 = 308,608/x
3. Step 3: Cross multiply
   194,072x = 308,608 × 308,608
4. Step 4: Simplify right side
   194,072x = 95,238,897,664
5. Step 5: Solve for x
   x = 95,238,897,664/194,072
6. Step 6: Final answer
   x = 490,740.02