Finding the Third Proportional to 13,623.75 and 30,340.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,623.75 : 30,340.69 = 30,340.69 : x
2. Step 2: Convert to fraction form
   13,623.75/30,340.69 = 30,340.69/x
3. Step 3: Cross multiply
   13,623.75x = 30,340.69 × 30,340.69
4. Step 4: Simplify right side
   13,623.75x = 920,557,317.97
5. Step 5: Solve for x
   x = 920,557,317.97/13,623.75
6. Step 6: Final answer
   x = 67,570.04