Finding the Third Proportional to 578,766 and 1,269,576

Step by Step Solution

1. Step 1: Write the proportion equation
   578,766 : 1,269,576 = 1,269,576 : x
2. Step 2: Convert to fraction form
   578,766/1,269,576 = 1,269,576/x
3. Step 3: Cross multiply
   578,766x = 1,269,576 × 1,269,576
4. Step 4: Simplify right side
   578,766x = 1,611,823,219,776
5. Step 5: Solve for x
   x = 1,611,823,219,776/578,766
6. Step 6: Final answer
   x = 2,784,930.73