Finding the Third Proportional to 200,404 and 300,054

Step by Step Solution

1. Step 1: Write the proportion equation
   200,404 : 300,054 = 300,054 : x
2. Step 2: Convert to fraction form
   200,404/300,054 = 300,054/x
3. Step 3: Cross multiply
   200,404x = 300,054 × 300,054
4. Step 4: Simplify right side
   200,404x = 90,032,402,916
5. Step 5: Solve for x
   x = 90,032,402,916/200,404
6. Step 6: Final answer
   x = 449,254.52