Finding the Third Proportional to 1,418,742 and 3,113,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,742 : 3,113,172 = 3,113,172 : x
2. Step 2: Convert to fraction form
   1,418,742/3,113,172 = 3,113,172/x
3. Step 3: Cross multiply
   1,418,742x = 3,113,172 × 3,113,172
4. Step 4: Simplify right side
   1,418,742x = 9,691,839,901,584
5. Step 5: Solve for x
   x = 9,691,839,901,584/1,418,742
6. Step 6: Final answer
   x = 6,831,291.31