Finding the Third Proportional to 435,342.38 and 672,714.56

Step by Step Solution

1. Step 1: Write the proportion equation
   435,342.38 : 672,714.56 = 672,714.56 : x
2. Step 2: Convert to fraction form
   435,342.38/672,714.56 = 672,714.56/x
3. Step 3: Cross multiply
   435,342.38x = 672,714.56 × 672,714.56
4. Step 4: Simplify right side
   435,342.38x = 452,544,882,599.57
5. Step 5: Solve for x
   x = 452,544,882,599.57/435,342.38
6. Step 6: Final answer
   x = 1,039,514.89