Finding the Third Proportional to 558,036 and 1,240,056

Step by Step Solution

1. Step 1: Write the proportion equation
   558,036 : 1,240,056 = 1,240,056 : x
2. Step 2: Convert to fraction form
   558,036/1,240,056 = 1,240,056/x
3. Step 3: Cross multiply
   558,036x = 1,240,056 × 1,240,056
4. Step 4: Simplify right side
   558,036x = 1,537,738,883,136
5. Step 5: Solve for x
   x = 1,537,738,883,136/558,036
6. Step 6: Final answer
   x = 2,755,626.67