Finding the Third Proportional to 1,219,194 and 2,679,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,194 : 2,679,720 = 2,679,720 : x
2. Step 2: Convert to fraction form
   1,219,194/2,679,720 = 2,679,720/x
3. Step 3: Cross multiply
   1,219,194x = 2,679,720 × 2,679,720
4. Step 4: Simplify right side
   1,219,194x = 7,180,899,278,400
5. Step 5: Solve for x
   x = 7,180,899,278,400/1,219,194
6. Step 6: Final answer
   x = 5,889,874.19