Finding the Third Proportional to 3,408,112 and 7,347,664

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408,112 : 7,347,664 = 7,347,664 : x
2. Step 2: Convert to fraction form
   3,408,112/7,347,664 = 7,347,664/x
3. Step 3: Cross multiply
   3,408,112x = 7,347,664 × 7,347,664
4. Step 4: Simplify right side
   3,408,112x = 53,988,166,256,896
5. Step 5: Solve for x
   x = 53,988,166,256,896/3,408,112
6. Step 6: Final answer
   x = 15,841,077.48