Finding the Third Proportional to 707,900 and 1,528,500

Step by Step Solution

1. Step 1: Write the proportion equation
   707,900 : 1,528,500 = 1,528,500 : x
2. Step 2: Convert to fraction form
   707,900/1,528,500 = 1,528,500/x
3. Step 3: Cross multiply
   707,900x = 1,528,500 × 1,528,500
4. Step 4: Simplify right side
   707,900x = 2,336,312,250,000
5. Step 5: Solve for x
   x = 2,336,312,250,000/707,900
6. Step 6: Final answer
   x = 3,300,342.21