Finding the Third Proportional to 1,213,450 and 2,648,084

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,450 : 2,648,084 = 2,648,084 : x
2. Step 2: Convert to fraction form
   1,213,450/2,648,084 = 2,648,084/x
3. Step 3: Cross multiply
   1,213,450x = 2,648,084 × 2,648,084
4. Step 4: Simplify right side
   1,213,450x = 7,012,348,871,056
5. Step 5: Solve for x
   x = 7,012,348,871,056/1,213,450
6. Step 6: Final answer
   x = 5,778,852.75