Finding the Third Proportional to 372,650.50 and 804,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,650.50 : 804,315.50 = 804,315.50 : x
2. Step 2: Convert to fraction form
   372,650.50/804,315.50 = 804,315.50/x
3. Step 3: Cross multiply
   372,650.50x = 804,315.50 × 804,315.50
4. Step 4: Simplify right side
   372,650.50x = 646,923,423,540.25
5. Step 5: Solve for x
   x = 646,923,423,540.25/372,650.50
6. Step 6: Final answer
   x = 1,736,005.78