Finding the Third Proportional to 4,820,555 and 10,040,602

Step by Step Solution

1. Step 1: Write the proportion equation
   4,820,555 : 10,040,602 = 10,040,602 : x
2. Step 2: Convert to fraction form
   4,820,555/10,040,602 = 10,040,602/x
3. Step 3: Cross multiply
   4,820,555x = 10,040,602 × 10,040,602
4. Step 4: Simplify right side
   4,820,555x = 100,813,688,522,404
5. Step 5: Solve for x
   x = 100,813,688,522,404/4,820,555
6. Step 6: Final answer
   x = 20,913,294.95