Finding the Third Proportional to 13,907.25 and 30,817.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,907.25 : 30,817.38 = 30,817.38 : x
2. Step 2: Convert to fraction form
   13,907.25/30,817.38 = 30,817.38/x
3. Step 3: Cross multiply
   13,907.25x = 30,817.38 × 30,817.38
4. Step 4: Simplify right side
   13,907.25x = 949,710,601.89
5. Step 5: Solve for x
   x = 949,710,601.89/13,907.25
6. Step 6: Final answer
   x = 68,288.89