Finding the Third Proportional to 3,669,318 and 5,396,123

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,318 : 5,396,123 = 5,396,123 : x
2. Step 2: Convert to fraction form
   3,669,318/5,396,123 = 5,396,123/x
3. Step 3: Cross multiply
   3,669,318x = 5,396,123 × 5,396,123
4. Step 4: Simplify right side
   3,669,318x = 29,118,143,431,129
5. Step 5: Solve for x
   x = 29,118,143,431,129/3,669,318
6. Step 6: Final answer
   x = 7,935,573.70