Finding the Third Proportional to 4,827,720 and 10,052,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,827,720 : 10,052,280 = 10,052,280 : x
2. Step 2: Convert to fraction form
   4,827,720/10,052,280 = 10,052,280/x
3. Step 3: Cross multiply
   4,827,720x = 10,052,280 × 10,052,280
4. Step 4: Simplify right side
   4,827,720x = 101,048,333,198,400
5. Step 5: Solve for x
   x = 101,048,333,198,400/4,827,720
6. Step 6: Final answer
   x = 20,930,860.36