Finding the Third Proportional to 901.69 and 1,900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   901.69 : 1,900.69 = 1,900.69 : x
2. Step 2: Convert to fraction form
   901.69/1,900.69 = 1,900.69/x
3. Step 3: Cross multiply
   901.69x = 1,900.69 × 1,900.69
4. Step 4: Simplify right side
   901.69x = 3,612,612.97
5. Step 5: Solve for x
   x = 3,612,612.97/901.69
6. Step 6: Final answer
   x = 4,006.50