Finding the Third Proportional to 1,607,338 and 3,438,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607,338 : 3,438,384 = 3,438,384 : x
2. Step 2: Convert to fraction form
   1,607,338/3,438,384 = 3,438,384/x
3. Step 3: Cross multiply
   1,607,338x = 3,438,384 × 3,438,384
4. Step 4: Simplify right side
   1,607,338x = 11,822,484,531,456
5. Step 5: Solve for x
   x = 11,822,484,531,456/1,607,338
6. Step 6: Final answer
   x = 7,355,319.50