Finding the Third Proportional to 435,342 and 672,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,342 : 672,714.50 = 672,714.50 : x
2. Step 2: Convert to fraction form
   435,342/672,714.50 = 672,714.50/x
3. Step 3: Cross multiply
   435,342x = 672,714.50 × 672,714.50
4. Step 4: Simplify right side
   435,342x = 452,544,798,510.25
5. Step 5: Solve for x
   x = 452,544,798,510.25/435,342
6. Step 6: Final answer
   x = 1,039,515.60