Finding the Third Proportional to 20,997,408 and 43,670,976

Step by Step Solution

1. Step 1: Write the proportion equation
   20,997,408 : 43,670,976 = 43,670,976 : x
2. Step 2: Convert to fraction form
   20,997,408/43,670,976 = 43,670,976/x
3. Step 3: Cross multiply
   20,997,408x = 43,670,976 × 43,670,976
4. Step 4: Simplify right side
   20,997,408x = 1,907,154,144,792,576
5. Step 5: Solve for x
   x = 1,907,154,144,792,576/20,997,408
6. Step 6: Final answer
   x = 90,828,074.82