Finding the Third Proportional to 798,136 and 1,722,880

Step by Step Solution

1. Step 1: Write the proportion equation
   798,136 : 1,722,880 = 1,722,880 : x
2. Step 2: Convert to fraction form
   798,136/1,722,880 = 1,722,880/x
3. Step 3: Cross multiply
   798,136x = 1,722,880 × 1,722,880
4. Step 4: Simplify right side
   798,136x = 2,968,315,494,400
5. Step 5: Solve for x
   x = 2,968,315,494,400/798,136
6. Step 6: Final answer
   x = 3,719,059.78