Finding the Third Proportional to 281,131.88 and 612,180

Step by Step Solution

1. Step 1: Write the proportion equation
   281,131.88 : 612,180 = 612,180 : x
2. Step 2: Convert to fraction form
   281,131.88/612,180 = 612,180/x
3. Step 3: Cross multiply
   281,131.88x = 612,180 × 612,180
4. Step 4: Simplify right side
   281,131.88x = 374,764,352,400
5. Step 5: Solve for x
   x = 374,764,352,400/281,131.88
6. Step 6: Final answer
   x = 1,333,055.36