Finding the Third Proportional to 1,277,389 and 1,776,091

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,389 : 1,776,091 = 1,776,091 : x
2. Step 2: Convert to fraction form
   1,277,389/1,776,091 = 1,776,091/x
3. Step 3: Cross multiply
   1,277,389x = 1,776,091 × 1,776,091
4. Step 4: Simplify right side
   1,277,389x = 3,154,499,240,281
5. Step 5: Solve for x
   x = 3,154,499,240,281/1,277,389
6. Step 6: Final answer
   x = 2,469,489.91