Finding the Third Proportional to 2,839,711 and 4,405,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839,711 : 4,405,412 = 4,405,412 : x
2. Step 2: Convert to fraction form
   2,839,711/4,405,412 = 4,405,412/x
3. Step 3: Cross multiply
   2,839,711x = 4,405,412 × 4,405,412
4. Step 4: Simplify right side
   2,839,711x = 19,407,654,889,744
5. Step 5: Solve for x
   x = 19,407,654,889,744/2,839,711
6. Step 6: Final answer
   x = 6,834,376.77