Finding the Third Proportional to 1,186,769 and 1,886,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,769 : 1,886,831 = 1,886,831 : x
2. Step 2: Convert to fraction form
   1,186,769/1,886,831 = 1,886,831/x
3. Step 3: Cross multiply
   1,186,769x = 1,886,831 × 1,886,831
4. Step 4: Simplify right side
   1,186,769x = 3,560,131,222,561
5. Step 5: Solve for x
   x = 3,560,131,222,561/1,186,769
6. Step 6: Final answer
   x = 2,999,851.89