Finding the Third Proportional to 187,352 and 281,032

Step by Step Solution

1. Step 1: Write the proportion equation
   187,352 : 281,032 = 281,032 : x
2. Step 2: Convert to fraction form
   187,352/281,032 = 281,032/x
3. Step 3: Cross multiply
   187,352x = 281,032 × 281,032
4. Step 4: Simplify right side
   187,352x = 78,978,985,024
5. Step 5: Solve for x
   x = 78,978,985,024/187,352
6. Step 6: Final answer
   x = 421,554.00