Finding the Third Proportional to 281,131.78 and 612,179.81

Step by Step Solution

1. Step 1: Write the proportion equation
   281,131.78 : 612,179.81 = 612,179.81 : x
2. Step 2: Convert to fraction form
   281,131.78/612,179.81 = 612,179.81/x
3. Step 3: Cross multiply
   281,131.78x = 612,179.81 × 612,179.81
4. Step 4: Simplify right side
   281,131.78x = 374,764,122,832.54
5. Step 5: Solve for x
   x = 374,764,122,832.54/281,131.78
6. Step 6: Final answer
   x = 1,333,054.99