Finding the Third Proportional to 1,211,226 and 2,628,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,226 : 2,628,510 = 2,628,510 : x
2. Step 2: Convert to fraction form
   1,211,226/2,628,510 = 2,628,510/x
3. Step 3: Cross multiply
   1,211,226x = 2,628,510 × 2,628,510
4. Step 4: Simplify right side
   1,211,226x = 6,909,064,820,100
5. Step 5: Solve for x
   x = 6,909,064,820,100/1,211,226
6. Step 6: Final answer
   x = 5,704,191.31