Finding the Third Proportional to 1,277,819 and 1,917,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,819 : 1,917,664 = 1,917,664 : x
2. Step 2: Convert to fraction form
   1,277,819/1,917,664 = 1,917,664/x
3. Step 3: Cross multiply
   1,277,819x = 1,917,664 × 1,917,664
4. Step 4: Simplify right side
   1,277,819x = 3,677,435,216,896
5. Step 5: Solve for x
   x = 3,677,435,216,896/1,277,819
6. Step 6: Final answer
   x = 2,877,899.93