Finding the Third Proportional to 1,439,528 and 3,078,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,528 : 3,078,315 = 3,078,315 : x
2. Step 2: Convert to fraction form
   1,439,528/3,078,315 = 3,078,315/x
3. Step 3: Cross multiply
   1,439,528x = 3,078,315 × 3,078,315
4. Step 4: Simplify right side
   1,439,528x = 9,476,023,239,225
5. Step 5: Solve for x
   x = 9,476,023,239,225/1,439,528
6. Step 6: Final answer
   x = 6,582,729.37