Finding the Third Proportional to 3,364.59 and 7,312.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.59 : 7,312.25 = 7,312.25 : x
2. Step 2: Convert to fraction form
   3,364.59/7,312.25 = 7,312.25/x
3. Step 3: Cross multiply
   3,364.59x = 7,312.25 × 7,312.25
4. Step 4: Simplify right side
   3,364.59x = 53,468,960.79
5. Step 5: Solve for x
   x = 53,468,960.79/3,364.59
6. Step 6: Final answer
   x = 15,891.65