Finding the Third Proportional to 1,081,880 and 1,684,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,880 : 1,684,056 = 1,684,056 : x
2. Step 2: Convert to fraction form
   1,081,880/1,684,056 = 1,684,056/x
3. Step 3: Cross multiply
   1,081,880x = 1,684,056 × 1,684,056
4. Step 4: Simplify right side
   1,081,880x = 2,836,044,611,136
5. Step 5: Solve for x
   x = 2,836,044,611,136/1,081,880
6. Step 6: Final answer
   x = 2,621,404.05