Finding the Third Proportional to 800.72 and 1,911.94

Step by Step Solution

1. Step 1: Write the proportion equation
   800.72 : 1,911.94 = 1,911.94 : x
2. Step 2: Convert to fraction form
   800.72/1,911.94 = 1,911.94/x
3. Step 3: Cross multiply
   800.72x = 1,911.94 × 1,911.94
4. Step 4: Simplify right side
   800.72x = 3,655,505.00
5. Step 5: Solve for x
   x = 3,655,505.00/800.72
6. Step 6: Final answer
   x = 4,565.28