Finding the Third Proportional to 1,611,339 and 2,180,649

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611,339 : 2,180,649 = 2,180,649 : x
2. Step 2: Convert to fraction form
   1,611,339/2,180,649 = 2,180,649/x
3. Step 3: Cross multiply
   1,611,339x = 2,180,649 × 2,180,649
4. Step 4: Simplify right side
   1,611,339x = 4,755,230,061,201
5. Step 5: Solve for x
   x = 4,755,230,061,201/1,611,339
6. Step 6: Final answer
   x = 2,951,104.68