Finding the Third Proportional to 3,306,865.50 and 7,086,123

Step by Step Solution

1. Step 1: Write the proportion equation
   3,306,865.50 : 7,086,123 = 7,086,123 : x
2. Step 2: Convert to fraction form
   3,306,865.50/7,086,123 = 7,086,123/x
3. Step 3: Cross multiply
   3,306,865.50x = 7,086,123 × 7,086,123
4. Step 4: Simplify right side
   3,306,865.50x = 50,213,139,171,129
5. Step 5: Solve for x
   x = 50,213,139,171,129/3,306,865.50
6. Step 6: Final answer
   x = 15,184,512.09