Finding the Third Proportional to 302,072 and 705,500

Step by Step Solution

1. Step 1: Write the proportion equation
   302,072 : 705,500 = 705,500 : x
2. Step 2: Convert to fraction form
   302,072/705,500 = 705,500/x
3. Step 3: Cross multiply
   302,072x = 705,500 × 705,500
4. Step 4: Simplify right side
   302,072x = 497,730,250,000
5. Step 5: Solve for x
   x = 497,730,250,000/302,072
6. Step 6: Final answer
   x = 1,647,720.58