Finding the Third Proportional to 1,619,078 and 3,487,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,078 : 3,487,336 = 3,487,336 : x
2. Step 2: Convert to fraction form
   1,619,078/3,487,336 = 3,487,336/x
3. Step 3: Cross multiply
   1,619,078x = 3,487,336 × 3,487,336
4. Step 4: Simplify right side
   1,619,078x = 12,161,512,376,896
5. Step 5: Solve for x
   x = 12,161,512,376,896/1,619,078
6. Step 6: Final answer
   x = 7,511,381.40