Finding the Third Proportional to 815,252 and 1,770,978

Step by Step Solution

1. Step 1: Write the proportion equation
   815,252 : 1,770,978 = 1,770,978 : x
2. Step 2: Convert to fraction form
   815,252/1,770,978 = 1,770,978/x
3. Step 3: Cross multiply
   815,252x = 1,770,978 × 1,770,978
4. Step 4: Simplify right side
   815,252x = 3,136,363,076,484
5. Step 5: Solve for x
   x = 3,136,363,076,484/815,252
6. Step 6: Final answer
   x = 3,847,108.72