Finding the Third Proportional to 300,876 and 423,333

Step by Step Solution

1. Step 1: Write the proportion equation
   300,876 : 423,333 = 423,333 : x
2. Step 2: Convert to fraction form
   300,876/423,333 = 423,333/x
3. Step 3: Cross multiply
   300,876x = 423,333 × 423,333
4. Step 4: Simplify right side
   300,876x = 179,210,828,889
5. Step 5: Solve for x
   x = 179,210,828,889/300,876
6. Step 6: Final answer
   x = 595,630.19