Finding the Third Proportional to 4,728,982 and 7,143,137

Step by Step Solution

1. Step 1: Write the proportion equation
   4,728,982 : 7,143,137 = 7,143,137 : x
2. Step 2: Convert to fraction form
   4,728,982/7,143,137 = 7,143,137/x
3. Step 3: Cross multiply
   4,728,982x = 7,143,137 × 7,143,137
4. Step 4: Simplify right side
   4,728,982x = 51,024,406,200,769
5. Step 5: Solve for x
   x = 51,024,406,200,769/4,728,982
6. Step 6: Final answer
   x = 10,789,723.07