Finding the Third Proportional to 372,108.94 and 815,158.69

Step by Step Solution

1. Step 1: Write the proportion equation
   372,108.94 : 815,158.69 = 815,158.69 : x
2. Step 2: Convert to fraction form
   372,108.94/815,158.69 = 815,158.69/x
3. Step 3: Cross multiply
   372,108.94x = 815,158.69 × 815,158.69
4. Step 4: Simplify right side
   372,108.94x = 664,483,685,806.72
5. Step 5: Solve for x
   x = 664,483,685,806.72/372,108.94
6. Step 6: Final answer
   x = 1,785,723.53