Finding the Third Proportional to 4,123,251 and 8,978,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,251 : 8,978,350.50 = 8,978,350.50 : x
2. Step 2: Convert to fraction form
   4,123,251/8,978,350.50 = 8,978,350.50/x
3. Step 3: Cross multiply
   4,123,251x = 8,978,350.50 × 8,978,350.50
4. Step 4: Simplify right side
   4,123,251x = 80,610,777,700,850.25
5. Step 5: Solve for x
   x = 80,610,777,700,850.25/4,123,251
6. Step 6: Final answer
   x = 19,550,296.04