Finding the Third Proportional to 1,429,629 and 3,143,562

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,629 : 3,143,562 = 3,143,562 : x
2. Step 2: Convert to fraction form
   1,429,629/3,143,562 = 3,143,562/x
3. Step 3: Cross multiply
   1,429,629x = 3,143,562 × 3,143,562
4. Step 4: Simplify right side
   1,429,629x = 9,881,982,047,844
5. Step 5: Solve for x
   x = 9,881,982,047,844/1,429,629
6. Step 6: Final answer
   x = 6,912,270.28