Finding the Third Proportional to 5,120,808 and 10,972,020

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120,808 : 10,972,020 = 10,972,020 : x
2. Step 2: Convert to fraction form
   5,120,808/10,972,020 = 10,972,020/x
3. Step 3: Cross multiply
   5,120,808x = 10,972,020 × 10,972,020
4. Step 4: Simplify right side
   5,120,808x = 120,385,222,880,400
5. Step 5: Solve for x
   x = 120,385,222,880,400/5,120,808
6. Step 6: Final answer
   x = 23,509,028.83