Finding the Third Proportional to 199,316 and 298,424

Step by Step Solution

1. Step 1: Write the proportion equation
   199,316 : 298,424 = 298,424 : x
2. Step 2: Convert to fraction form
   199,316/298,424 = 298,424/x
3. Step 3: Cross multiply
   199,316x = 298,424 × 298,424
4. Step 4: Simplify right side
   199,316x = 89,056,883,776
5. Step 5: Solve for x
   x = 89,056,883,776/199,316
6. Step 6: Final answer
   x = 446,812.52