Finding the Third Proportional to 12,714.75 and 30,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.75 : 30,405.38 = 30,405.38 : x
2. Step 2: Convert to fraction form
   12,714.75/30,405.38 = 30,405.38/x
3. Step 3: Cross multiply
   12,714.75x = 30,405.38 × 30,405.38
4. Step 4: Simplify right side
   12,714.75x = 924,486,828.89
5. Step 5: Solve for x
   x = 924,486,828.89/12,714.75
6. Step 6: Final answer
   x = 72,709.79