Finding the Third Proportional to 1,011,619 and 2,166,711

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,619 : 2,166,711 = 2,166,711 : x
2. Step 2: Convert to fraction form
   1,011,619/2,166,711 = 2,166,711/x
3. Step 3: Cross multiply
   1,011,619x = 2,166,711 × 2,166,711
4. Step 4: Simplify right side
   1,011,619x = 4,694,636,557,521
5. Step 5: Solve for x
   x = 4,694,636,557,521/1,011,619
6. Step 6: Final answer
   x = 4,640,716.08