Finding the Third Proportional to 137,442 and 298,208

Step by Step Solution

1. Step 1: Write the proportion equation
   137,442 : 298,208 = 298,208 : x
2. Step 2: Convert to fraction form
   137,442/298,208 = 298,208/x
3. Step 3: Cross multiply
   137,442x = 298,208 × 298,208
4. Step 4: Simplify right side
   137,442x = 88,928,011,264
5. Step 5: Solve for x
   x = 88,928,011,264/137,442
6. Step 6: Final answer
   x = 647,022.10