Finding the Third Proportional to 1,239,906 and 2,628,606

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,906 : 2,628,606 = 2,628,606 : x
2. Step 2: Convert to fraction form
   1,239,906/2,628,606 = 2,628,606/x
3. Step 3: Cross multiply
   1,239,906x = 2,628,606 × 2,628,606
4. Step 4: Simplify right side
   1,239,906x = 6,909,569,503,236
5. Step 5: Solve for x
   x = 6,909,569,503,236/1,239,906
6. Step 6: Final answer
   x = 5,572,655.91