Finding the Third Proportional to 748,756 and 1,222,512

Step by Step Solution

1. Step 1: Write the proportion equation
   748,756 : 1,222,512 = 1,222,512 : x
2. Step 2: Convert to fraction form
   748,756/1,222,512 = 1,222,512/x
3. Step 3: Cross multiply
   748,756x = 1,222,512 × 1,222,512
4. Step 4: Simplify right side
   748,756x = 1,494,535,590,144
5. Step 5: Solve for x
   x = 1,494,535,590,144/748,756
6. Step 6: Final answer
   x = 1,996,024.86