Finding the Third Proportional to 1,419,418 and 3,113,639

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,418 : 3,113,639 = 3,113,639 : x
2. Step 2: Convert to fraction form
   1,419,418/3,113,639 = 3,113,639/x
3. Step 3: Cross multiply
   1,419,418x = 3,113,639 × 3,113,639
4. Step 4: Simplify right side
   1,419,418x = 9,694,747,822,321
5. Step 5: Solve for x
   x = 9,694,747,822,321/1,419,418
6. Step 6: Final answer
   x = 6,830,086.57