Finding the Third Proportional to 1,203,423 and 2,643,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,423 : 2,643,056 = 2,643,056 : x
2. Step 2: Convert to fraction form
   1,203,423/2,643,056 = 2,643,056/x
3. Step 3: Cross multiply
   1,203,423x = 2,643,056 × 2,643,056
4. Step 4: Simplify right side
   1,203,423x = 6,985,745,019,136
5. Step 5: Solve for x
   x = 6,985,745,019,136/1,203,423
6. Step 6: Final answer
   x = 5,804,895.72