Finding the Third Proportional to 727,868 and 1,580,056

Step by Step Solution

1. Step 1: Write the proportion equation
   727,868 : 1,580,056 = 1,580,056 : x
2. Step 2: Convert to fraction form
   727,868/1,580,056 = 1,580,056/x
3. Step 3: Cross multiply
   727,868x = 1,580,056 × 1,580,056
4. Step 4: Simplify right side
   727,868x = 2,496,576,963,136
5. Step 5: Solve for x
   x = 2,496,576,963,136/727,868
6. Step 6: Final answer
   x = 3,429,985.88