Finding the Third Proportional to 1,355,180 and 2,676,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,180 : 2,676,340 = 2,676,340 : x
2. Step 2: Convert to fraction form
   1,355,180/2,676,340 = 2,676,340/x
3. Step 3: Cross multiply
   1,355,180x = 2,676,340 × 2,676,340
4. Step 4: Simplify right side
   1,355,180x = 7,162,795,795,600
5. Step 5: Solve for x
   x = 7,162,795,795,600/1,355,180
6. Step 6: Final answer
   x = 5,285,494.03