Finding the Third Proportional to 42,554,658 and 67,394,610

Step by Step Solution

1. Step 1: Write the proportion equation
   42,554,658 : 67,394,610 = 67,394,610 : x
2. Step 2: Convert to fraction form
   42,554,658/67,394,610 = 67,394,610/x
3. Step 3: Cross multiply
   42,554,658x = 67,394,610 × 67,394,610
4. Step 4: Simplify right side
   42,554,658x = 4,542,033,457,052,100
5. Step 5: Solve for x
   x = 4,542,033,457,052,100/42,554,658
6. Step 6: Final answer
   x = 106,734,107.86