Finding the Third Proportional to 1,688,644 and 3,446,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,644 : 3,446,192 = 3,446,192 : x
2. Step 2: Convert to fraction form
   1,688,644/3,446,192 = 3,446,192/x
3. Step 3: Cross multiply
   1,688,644x = 3,446,192 × 3,446,192
4. Step 4: Simplify right side
   1,688,644x = 11,876,239,300,864
5. Step 5: Solve for x
   x = 11,876,239,300,864/1,688,644
6. Step 6: Final answer
   x = 7,033,003.58