Finding the Third Proportional to 196,657 and 298,610

Step by Step Solution

1. Step 1: Write the proportion equation
   196,657 : 298,610 = 298,610 : x
2. Step 2: Convert to fraction form
   196,657/298,610 = 298,610/x
3. Step 3: Cross multiply
   196,657x = 298,610 × 298,610
4. Step 4: Simplify right side
   196,657x = 89,167,932,100
5. Step 5: Solve for x
   x = 89,167,932,100/196,657
6. Step 6: Final answer
   x = 453,418.55