Finding the Third Proportional to 1,507,738 and 3,281,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,738 : 3,281,408 = 3,281,408 : x
2. Step 2: Convert to fraction form
   1,507,738/3,281,408 = 3,281,408/x
3. Step 3: Cross multiply
   1,507,738x = 3,281,408 × 3,281,408
4. Step 4: Simplify right side
   1,507,738x = 10,767,638,462,464
5. Step 5: Solve for x
   x = 10,767,638,462,464/1,507,738
6. Step 6: Final answer
   x = 7,141,584.59