Finding the Third Proportional to 372,658.50 and 816,051

Step by Step Solution

1. Step 1: Write the proportion equation
   372,658.50 : 816,051 = 816,051 : x
2. Step 2: Convert to fraction form
   372,658.50/816,051 = 816,051/x
3. Step 3: Cross multiply
   372,658.50x = 816,051 × 816,051
4. Step 4: Simplify right side
   372,658.50x = 665,939,234,601
5. Step 5: Solve for x
   x = 665,939,234,601/372,658.50
6. Step 6: Final answer
   x = 1,786,995.96