Finding the Third Proportional to 1,180,870 and 1,879,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180,870 : 1,879,912 = 1,879,912 : x
2. Step 2: Convert to fraction form
   1,180,870/1,879,912 = 1,879,912/x
3. Step 3: Cross multiply
   1,180,870x = 1,879,912 × 1,879,912
4. Step 4: Simplify right side
   1,180,870x = 3,534,069,127,744
5. Step 5: Solve for x
   x = 3,534,069,127,744/1,180,870
6. Step 6: Final answer
   x = 2,992,767.31