Finding the Third Proportional to 253,818 and 601,308

Step by Step Solution

1. Step 1: Write the proportion equation
   253,818 : 601,308 = 601,308 : x
2. Step 2: Convert to fraction form
   253,818/601,308 = 601,308/x
3. Step 3: Cross multiply
   253,818x = 601,308 × 601,308
4. Step 4: Simplify right side
   253,818x = 361,571,310,864
5. Step 5: Solve for x
   x = 361,571,310,864/253,818
6. Step 6: Final answer
   x = 1,424,529.82