Finding the Third Proportional to 4,583,100 and 9,542,642

Step by Step Solution

1. Step 1: Write the proportion equation
   4,583,100 : 9,542,642 = 9,542,642 : x
2. Step 2: Convert to fraction form
   4,583,100/9,542,642 = 9,542,642/x
3. Step 3: Cross multiply
   4,583,100x = 9,542,642 × 9,542,642
4. Step 4: Simplify right side
   4,583,100x = 91,062,016,340,164
5. Step 5: Solve for x
   x = 91,062,016,340,164/4,583,100
6. Step 6: Final answer
   x = 19,869,087.81