Finding the Third Proportional to 8,218,950 and 13,089,501

Step by Step Solution

1. Step 1: Write the proportion equation
   8,218,950 : 13,089,501 = 13,089,501 : x
2. Step 2: Convert to fraction form
   8,218,950/13,089,501 = 13,089,501/x
3. Step 3: Cross multiply
   8,218,950x = 13,089,501 × 13,089,501
4. Step 4: Simplify right side
   8,218,950x = 171,335,036,429,001
5. Step 5: Solve for x
   x = 171,335,036,429,001/8,218,950
6. Step 6: Final answer
   x = 20,846,341.25