Finding the Third Proportional to 136,540.69 and 297,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   136,540.69 : 297,046.69 = 297,046.69 : x
2. Step 2: Convert to fraction form
   136,540.69/297,046.69 = 297,046.69/x
3. Step 3: Cross multiply
   136,540.69x = 297,046.69 × 297,046.69
4. Step 4: Simplify right side
   136,540.69x = 88,236,734,554.72
5. Step 5: Solve for x
   x = 88,236,734,554.72/136,540.69
6. Step 6: Final answer
   x = 646,230.34