Finding the Third Proportional to 187,336 and 281,010

Step by Step Solution

1. Step 1: Write the proportion equation
   187,336 : 281,010 = 281,010 : x
2. Step 2: Convert to fraction form
   187,336/281,010 = 281,010/x
3. Step 3: Cross multiply
   187,336x = 281,010 × 281,010
4. Step 4: Simplify right side
   187,336x = 78,966,620,100
5. Step 5: Solve for x
   x = 78,966,620,100/187,336
6. Step 6: Final answer
   x = 421,524.00