Finding the Third Proportional to 658,614 and 1,368,906

Step by Step Solution

1. Step 1: Write the proportion equation
   658,614 : 1,368,906 = 1,368,906 : x
2. Step 2: Convert to fraction form
   658,614/1,368,906 = 1,368,906/x
3. Step 3: Cross multiply
   658,614x = 1,368,906 × 1,368,906
4. Step 4: Simplify right side
   658,614x = 1,873,903,636,836
5. Step 5: Solve for x
   x = 1,873,903,636,836/658,614
6. Step 6: Final answer
   x = 2,845,222.90