Finding the Third Proportional to 1,213,449 and 2,648,082

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,449 : 2,648,082 = 2,648,082 : x
2. Step 2: Convert to fraction form
   1,213,449/2,648,082 = 2,648,082/x
3. Step 3: Cross multiply
   1,213,449x = 2,648,082 × 2,648,082
4. Step 4: Simplify right side
   1,213,449x = 7,012,338,278,724
5. Step 5: Solve for x
   x = 7,012,338,278,724/1,213,449
6. Step 6: Final answer
   x = 5,778,848.78