Finding the Third Proportional to 1,439,526 and 3,078,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,526 : 3,078,311 = 3,078,311 : x
2. Step 2: Convert to fraction form
   1,439,526/3,078,311 = 3,078,311/x
3. Step 3: Cross multiply
   1,439,526x = 3,078,311 × 3,078,311
4. Step 4: Simplify right side
   1,439,526x = 9,475,998,612,721
5. Step 5: Solve for x
   x = 9,475,998,612,721/1,439,526
6. Step 6: Final answer
   x = 6,582,721.40