Finding the Third Proportional to 281,941.50 and 431,844

Step by Step Solution

1. Step 1: Write the proportion equation
   281,941.50 : 431,844 = 431,844 : x
2. Step 2: Convert to fraction form
   281,941.50/431,844 = 431,844/x
3. Step 3: Cross multiply
   281,941.50x = 431,844 × 431,844
4. Step 4: Simplify right side
   281,941.50x = 186,489,240,336
5. Step 5: Solve for x
   x = 186,489,240,336/281,941.50
6. Step 6: Final answer
   x = 661,446.58