Finding the Third Proportional to 1,007,656 and 2,129,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,656 : 2,129,056 = 2,129,056 : x
2. Step 2: Convert to fraction form
   1,007,656/2,129,056 = 2,129,056/x
3. Step 3: Cross multiply
   1,007,656x = 2,129,056 × 2,129,056
4. Step 4: Simplify right side
   1,007,656x = 4,532,879,451,136
5. Step 5: Solve for x
   x = 4,532,879,451,136/1,007,656
6. Step 6: Final answer
   x = 4,498,439.40