Finding the Third Proportional to 279,034 and 604,426

Step by Step Solution

1. Step 1: Write the proportion equation
   279,034 : 604,426 = 604,426 : x
2. Step 2: Convert to fraction form
   279,034/604,426 = 604,426/x
3. Step 3: Cross multiply
   279,034x = 604,426 × 604,426
4. Step 4: Simplify right side
   279,034x = 365,330,789,476
5. Step 5: Solve for x
   x = 365,330,789,476/279,034
6. Step 6: Final answer
   x = 1,309,269.80