Finding the Third Proportional to 1,703,968 and 3,647,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,703,968 : 3,647,345 = 3,647,345 : x
2. Step 2: Convert to fraction form
   1,703,968/3,647,345 = 3,647,345/x
3. Step 3: Cross multiply
   1,703,968x = 3,647,345 × 3,647,345
4. Step 4: Simplify right side
   1,703,968x = 13,303,125,549,025
5. Step 5: Solve for x
   x = 13,303,125,549,025/1,703,968
6. Step 6: Final answer
   x = 7,807,145.17