Finding the Third Proportional to 589,976 and 1,287,112

Step by Step Solution

1. Step 1: Write the proportion equation
   589,976 : 1,287,112 = 1,287,112 : x
2. Step 2: Convert to fraction form
   589,976/1,287,112 = 1,287,112/x
3. Step 3: Cross multiply
   589,976x = 1,287,112 × 1,287,112
4. Step 4: Simplify right side
   589,976x = 1,656,657,300,544
5. Step 5: Solve for x
   x = 1,656,657,300,544/589,976
6. Step 6: Final answer
   x = 2,808,007.95