Finding the Third Proportional to 404,112 and 633,960

Step by Step Solution

1. Step 1: Write the proportion equation
   404,112 : 633,960 = 633,960 : x
2. Step 2: Convert to fraction form
   404,112/633,960 = 633,960/x
3. Step 3: Cross multiply
   404,112x = 633,960 × 633,960
4. Step 4: Simplify right side
   404,112x = 401,905,281,600
5. Step 5: Solve for x
   x = 401,905,281,600/404,112
6. Step 6: Final answer
   x = 994,539.34