Finding the Third Proportional to 1,816,168.50 and 3,951,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,168.50 : 3,951,558 = 3,951,558 : x
2. Step 2: Convert to fraction form
   1,816,168.50/3,951,558 = 3,951,558/x
3. Step 3: Cross multiply
   1,816,168.50x = 3,951,558 × 3,951,558
4. Step 4: Simplify right side
   1,816,168.50x = 15,614,810,627,364
5. Step 5: Solve for x
   x = 15,614,810,627,364/1,816,168.50
6. Step 6: Final answer
   x = 8,597,666.26