Finding the Third Proportional to 2,059,678 and 4,485,512

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,678 : 4,485,512 = 4,485,512 : x
2. Step 2: Convert to fraction form
   2,059,678/4,485,512 = 4,485,512/x
3. Step 3: Cross multiply
   2,059,678x = 4,485,512 × 4,485,512
4. Step 4: Simplify right side
   2,059,678x = 20,119,817,902,144
5. Step 5: Solve for x
   x = 20,119,817,902,144/2,059,678
6. Step 6: Final answer
   x = 9,768,428.80