Finding the Third Proportional to 770,542 and 1,022,419

Step by Step Solution

1. Step 1: Write the proportion equation
   770,542 : 1,022,419 = 1,022,419 : x
2. Step 2: Convert to fraction form
   770,542/1,022,419 = 1,022,419/x
3. Step 3: Cross multiply
   770,542x = 1,022,419 × 1,022,419
4. Step 4: Simplify right side
   770,542x = 1,045,340,611,561
5. Step 5: Solve for x
   x = 1,045,340,611,561/770,542
6. Step 6: Final answer
   x = 1,356,630.28