Finding the Third Proportional to 1,528,528 and 3,239,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,528 : 3,239,120 = 3,239,120 : x
2. Step 2: Convert to fraction form
   1,528,528/3,239,120 = 3,239,120/x
3. Step 3: Cross multiply
   1,528,528x = 3,239,120 × 3,239,120
4. Step 4: Simplify right side
   1,528,528x = 10,491,898,374,400
5. Step 5: Solve for x
   x = 10,491,898,374,400/1,528,528
6. Step 6: Final answer
   x = 6,864,053.77