Finding the Third Proportional to 768,552 and 1,227,780

Step by Step Solution

1. Step 1: Write the proportion equation
   768,552 : 1,227,780 = 1,227,780 : x
2. Step 2: Convert to fraction form
   768,552/1,227,780 = 1,227,780/x
3. Step 3: Cross multiply
   768,552x = 1,227,780 × 1,227,780
4. Step 4: Simplify right side
   768,552x = 1,507,443,728,400
5. Step 5: Solve for x
   x = 1,507,443,728,400/768,552
6. Step 6: Final answer
   x = 1,961,407.59