Finding the Third Proportional to 3,213,859.50 and 4,359,906

Step by Step Solution

1. Step 1: Write the proportion equation
   3,213,859.50 : 4,359,906 = 4,359,906 : x
2. Step 2: Convert to fraction form
   3,213,859.50/4,359,906 = 4,359,906/x
3. Step 3: Cross multiply
   3,213,859.50x = 4,359,906 × 4,359,906
4. Step 4: Simplify right side
   3,213,859.50x = 19,008,780,328,836
5. Step 5: Solve for x
   x = 19,008,780,328,836/3,213,859.50
6. Step 6: Final answer
   x = 5,914,627.05