Finding the Third Proportional to 5,089,673 and 10,533,620

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089,673 : 10,533,620 = 10,533,620 : x
2. Step 2: Convert to fraction form
   5,089,673/10,533,620 = 10,533,620/x
3. Step 3: Cross multiply
   5,089,673x = 10,533,620 × 10,533,620
4. Step 4: Simplify right side
   5,089,673x = 110,957,150,304,400
5. Step 5: Solve for x
   x = 110,957,150,304,400/5,089,673
6. Step 6: Final answer
   x = 21,800,447.75