Finding the Third Proportional to 7,550,978 and 16,428,868

Step by Step Solution

1. Step 1: Write the proportion equation
   7,550,978 : 16,428,868 = 16,428,868 : x
2. Step 2: Convert to fraction form
   7,550,978/16,428,868 = 16,428,868/x
3. Step 3: Cross multiply
   7,550,978x = 16,428,868 × 16,428,868
4. Step 4: Simplify right side
   7,550,978x = 269,907,703,761,424
5. Step 5: Solve for x
   x = 269,907,703,761,424/7,550,978
6. Step 6: Final answer
   x = 35,744,734.49