Finding the Third Proportional to 136,086 and 298,740

Step by Step Solution

1. Step 1: Write the proportion equation
   136,086 : 298,740 = 298,740 : x
2. Step 2: Convert to fraction form
   136,086/298,740 = 298,740/x
3. Step 3: Cross multiply
   136,086x = 298,740 × 298,740
4. Step 4: Simplify right side
   136,086x = 89,245,587,600
5. Step 5: Solve for x
   x = 89,245,587,600/136,086
6. Step 6: Final answer
   x = 655,802.86