Finding the Third Proportional to 5,072,337 and 10,321,818

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072,337 : 10,321,818 = 10,321,818 : x
2. Step 2: Convert to fraction form
   5,072,337/10,321,818 = 10,321,818/x
3. Step 3: Cross multiply
   5,072,337x = 10,321,818 × 10,321,818
4. Step 4: Simplify right side
   5,072,337x = 106,539,926,825,124
5. Step 5: Solve for x
   x = 106,539,926,825,124/5,072,337
6. Step 6: Final answer
   x = 21,004,110.50