Finding the Third Proportional to 4,395,972 and 9,372,596

Step by Step Solution

1. Step 1: Write the proportion equation
   4,395,972 : 9,372,596 = 9,372,596 : x
2. Step 2: Convert to fraction form
   4,395,972/9,372,596 = 9,372,596/x
3. Step 3: Cross multiply
   4,395,972x = 9,372,596 × 9,372,596
4. Step 4: Simplify right side
   4,395,972x = 87,845,555,779,216
5. Step 5: Solve for x
   x = 87,845,555,779,216/4,395,972
6. Step 6: Final answer
   x = 19,983,192.75