Finding the Third Proportional to 904.31 and 1,930.69

Step by Step Solution

1. Step 1: Write the proportion equation
   904.31 : 1,930.69 = 1,930.69 : x
2. Step 2: Convert to fraction form
   904.31/1,930.69 = 1,930.69/x
3. Step 3: Cross multiply
   904.31x = 1,930.69 × 1,930.69
4. Step 4: Simplify right side
   904.31x = 3,727,554.22
5. Step 5: Solve for x
   x = 3,727,554.22/904.31
6. Step 6: Final answer
   x = 4,121.98