Finding the Third Proportional to 1,183,280 and 1,772,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,280 : 1,772,880 = 1,772,880 : x
2. Step 2: Convert to fraction form
   1,183,280/1,772,880 = 1,772,880/x
3. Step 3: Cross multiply
   1,183,280x = 1,772,880 × 1,772,880
4. Step 4: Simplify right side
   1,183,280x = 3,143,103,494,400
5. Step 5: Solve for x
   x = 3,143,103,494,400/1,183,280
6. Step 6: Final answer
   x = 2,656,263.52