Finding the Third Proportional to 281,725.50 and 436,908

Step by Step Solution

1. Step 1: Write the proportion equation
   281,725.50 : 436,908 = 436,908 : x
2. Step 2: Convert to fraction form
   281,725.50/436,908 = 436,908/x
3. Step 3: Cross multiply
   281,725.50x = 436,908 × 436,908
4. Step 4: Simplify right side
   281,725.50x = 190,888,600,464
5. Step 5: Solve for x
   x = 190,888,600,464/281,725.50
6. Step 6: Final answer
   x = 677,569.48