Finding the Third Proportional to 9,759,760 and 21,199,608

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759,760 : 21,199,608 = 21,199,608 : x
2. Step 2: Convert to fraction form
   9,759,760/21,199,608 = 21,199,608/x
3. Step 3: Cross multiply
   9,759,760x = 21,199,608 × 21,199,608
4. Step 4: Simplify right side
   9,759,760x = 449,423,379,353,664
5. Step 5: Solve for x
   x = 449,423,379,353,664/9,759,760
6. Step 6: Final answer
   x = 46,048,609.74