Finding the Third Proportional to 281,948 and 634,870

Step by Step Solution

1. Step 1: Write the proportion equation
   281,948 : 634,870 = 634,870 : x
2. Step 2: Convert to fraction form
   281,948/634,870 = 634,870/x
3. Step 3: Cross multiply
   281,948x = 634,870 × 634,870
4. Step 4: Simplify right side
   281,948x = 403,059,916,900
5. Step 5: Solve for x
   x = 403,059,916,900/281,948
6. Step 6: Final answer
   x = 1,429,554.09