Finding the Third Proportional to 20,978,900 and 32,400,012

Step by Step Solution

1. Step 1: Write the proportion equation
   20,978,900 : 32,400,012 = 32,400,012 : x
2. Step 2: Convert to fraction form
   20,978,900/32,400,012 = 32,400,012/x
3. Step 3: Cross multiply
   20,978,900x = 32,400,012 × 32,400,012
4. Step 4: Simplify right side
   20,978,900x = 1,049,760,777,600,144
5. Step 5: Solve for x
   x = 1,049,760,777,600,144/20,978,900
6. Step 6: Final answer
   x = 50,038,885.62