Finding the Third Proportional to 1,636,173 and 3,821,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,173 : 3,821,424 = 3,821,424 : x
2. Step 2: Convert to fraction form
   1,636,173/3,821,424 = 3,821,424/x
3. Step 3: Cross multiply
   1,636,173x = 3,821,424 × 3,821,424
4. Step 4: Simplify right side
   1,636,173x = 14,603,281,387,776
5. Step 5: Solve for x
   x = 14,603,281,387,776/1,636,173
6. Step 6: Final answer
   x = 8,925,267.31