Finding the Third Proportional to 899.86 and 1,934.30

Step by Step Solution

1. Step 1: Write the proportion equation
   899.86 : 1,934.30 = 1,934.30 : x
2. Step 2: Convert to fraction form
   899.86/1,934.30 = 1,934.30/x
3. Step 3: Cross multiply
   899.86x = 1,934.30 × 1,934.30
4. Step 4: Simplify right side
   899.86x = 3,741,504.40
5. Step 5: Solve for x
   x = 3,741,504.40/899.86
6. Step 6: Final answer
   x = 4,157.88