Finding the Third Proportional to 1,528,440 and 3,238,950

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,440 : 3,238,950 = 3,238,950 : x
2. Step 2: Convert to fraction form
   1,528,440/3,238,950 = 3,238,950/x
3. Step 3: Cross multiply
   1,528,440x = 3,238,950 × 3,238,950
4. Step 4: Simplify right side
   1,528,440x = 10,490,797,102,500
5. Step 5: Solve for x
   x = 10,490,797,102,500/1,528,440
6. Step 6: Final answer
   x = 6,863,728.44