Finding the Third Proportional to 1,394,973 and 1,974,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,973 : 1,974,428 = 1,974,428 : x
2. Step 2: Convert to fraction form
   1,394,973/1,974,428 = 1,974,428/x
3. Step 3: Cross multiply
   1,394,973x = 1,974,428 × 1,974,428
4. Step 4: Simplify right side
   1,394,973x = 3,898,365,927,184
5. Step 5: Solve for x
   x = 3,898,365,927,184/1,394,973
6. Step 6: Final answer
   x = 2,794,581.64