Finding the Third Proportional to 1,138,766 and 1,673,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,138,766 : 1,673,880 = 1,673,880 : x
2. Step 2: Convert to fraction form
   1,138,766/1,673,880 = 1,673,880/x
3. Step 3: Cross multiply
   1,138,766x = 1,673,880 × 1,673,880
4. Step 4: Simplify right side
   1,138,766x = 2,801,874,254,400
5. Step 5: Solve for x
   x = 2,801,874,254,400/1,138,766
6. Step 6: Final answer
   x = 2,460,447.76