Finding the Third Proportional to 1,636,028 and 3,422,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,028 : 3,422,394 = 3,422,394 : x
2. Step 2: Convert to fraction form
   1,636,028/3,422,394 = 3,422,394/x
3. Step 3: Cross multiply
   1,636,028x = 3,422,394 × 3,422,394
4. Step 4: Simplify right side
   1,636,028x = 11,712,780,691,236
5. Step 5: Solve for x
   x = 11,712,780,691,236/1,636,028
6. Step 6: Final answer
   x = 7,159,278.87