Finding the Third Proportional to 281,995.50 and 436,860

Step by Step Solution

1. Step 1: Write the proportion equation
   281,995.50 : 436,860 = 436,860 : x
2. Step 2: Convert to fraction form
   281,995.50/436,860 = 436,860/x
3. Step 3: Cross multiply
   281,995.50x = 436,860 × 436,860
4. Step 4: Simplify right side
   281,995.50x = 190,846,659,600
5. Step 5: Solve for x
   x = 190,846,659,600/281,995.50
6. Step 6: Final answer
   x = 676,772.00