Finding the Third Proportional to 27,630.28 and 56,421.56

Step by Step Solution

1. Step 1: Write the proportion equation
   27,630.28 : 56,421.56 = 56,421.56 : x
2. Step 2: Convert to fraction form
   27,630.28/56,421.56 = 56,421.56/x
3. Step 3: Cross multiply
   27,630.28x = 56,421.56 × 56,421.56
4. Step 4: Simplify right side
   27,630.28x = 3,183,392,714.94
5. Step 5: Solve for x
   x = 3,183,392,714.94/27,630.28
6. Step 6: Final answer
   x = 115,213.91