Finding the Third Proportional to 140,266.69 and 298,054.69

Step by Step Solution

1. Step 1: Write the proportion equation
   140,266.69 : 298,054.69 = 298,054.69 : x
2. Step 2: Convert to fraction form
   140,266.69/298,054.69 = 298,054.69/x
3. Step 3: Cross multiply
   140,266.69x = 298,054.69 × 298,054.69
4. Step 4: Simplify right side
   140,266.69x = 88,836,596,740.72
5. Step 5: Solve for x
   x = 88,836,596,740.72/140,266.69
6. Step 6: Final answer
   x = 633,340.66