Finding the Third Proportional to 1,420,499 and 3,106,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,499 : 3,106,720 = 3,106,720 : x
2. Step 2: Convert to fraction form
   1,420,499/3,106,720 = 3,106,720/x
3. Step 3: Cross multiply
   1,420,499x = 3,106,720 × 3,106,720
4. Step 4: Simplify right side
   1,420,499x = 9,651,709,158,400
5. Step 5: Solve for x
   x = 9,651,709,158,400/1,420,499
6. Step 6: Final answer
   x = 6,794,590.60