Finding the Third Proportional to 3,405,483 and 7,342,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,483 : 7,342,470 = 7,342,470 : x
2. Step 2: Convert to fraction form
   3,405,483/7,342,470 = 7,342,470/x
3. Step 3: Cross multiply
   3,405,483x = 7,342,470 × 7,342,470
4. Step 4: Simplify right side
   3,405,483x = 53,911,865,700,900
5. Step 5: Solve for x
   x = 53,911,865,700,900/3,405,483
6. Step 6: Final answer
   x = 15,830,901.43