Finding the Third Proportional to 351,714 and 715,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,714 : 715,857.50 = 715,857.50 : x
2. Step 2: Convert to fraction form
   351,714/715,857.50 = 715,857.50/x
3. Step 3: Cross multiply
   351,714x = 715,857.50 × 715,857.50
4. Step 4: Simplify right side
   351,714x = 512,451,960,306.25
5. Step 5: Solve for x
   x = 512,451,960,306.25/351,714
6. Step 6: Final answer
   x = 1,457,013.26