Finding the Third Proportional to 108,664.88 and 229,128.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,664.88 : 229,128.75 = 229,128.75 : x
2. Step 2: Convert to fraction form
   108,664.88/229,128.75 = 229,128.75/x
3. Step 3: Cross multiply
   108,664.88x = 229,128.75 × 229,128.75
4. Step 4: Simplify right side
   108,664.88x = 52,499,984,076.56
5. Step 5: Solve for x
   x = 52,499,984,076.56/108,664.88
6. Step 6: Final answer
   x = 483,136.65