Finding the Third Proportional to 3,130.31 and 4,294.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,130.31 : 4,294.69 = 4,294.69 : x
2. Step 2: Convert to fraction form
   3,130.31/4,294.69 = 4,294.69/x
3. Step 3: Cross multiply
   3,130.31x = 4,294.69 × 4,294.69
4. Step 4: Simplify right side
   3,130.31x = 18,444,340.72
5. Step 5: Solve for x
   x = 18,444,340.72/3,130.31
6. Step 6: Final answer
   x = 5,892.17