Finding the Third Proportional to 109,805.63 and 229,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,805.63 : 229,142.25 = 229,142.25 : x
2. Step 2: Convert to fraction form
   109,805.63/229,142.25 = 229,142.25/x
3. Step 3: Cross multiply
   109,805.63x = 229,142.25 × 229,142.25
4. Step 4: Simplify right side
   109,805.63x = 52,506,170,735.06
5. Step 5: Solve for x
   x = 52,506,170,735.06/109,805.63
6. Step 6: Final answer
   x = 478,173.78