Finding the Third Proportional to 281,308.78 and 401,983.59

Step by Step Solution

1. Step 1: Write the proportion equation
   281,308.78 : 401,983.59 = 401,983.59 : x
2. Step 2: Convert to fraction form
   281,308.78/401,983.59 = 401,983.59/x
3. Step 3: Cross multiply
   281,308.78x = 401,983.59 × 401,983.59
4. Step 4: Simplify right side
   281,308.78x = 161,590,809,644.17
5. Step 5: Solve for x
   x = 161,590,809,644.17/281,308.78
6. Step 6: Final answer
   x = 574,425.05