Finding the Third Proportional to 279,031.50 and 604,422

Step by Step Solution

1. Step 1: Write the proportion equation
   279,031.50 : 604,422 = 604,422 : x
2. Step 2: Convert to fraction form
   279,031.50/604,422 = 604,422/x
3. Step 3: Cross multiply
   279,031.50x = 604,422 × 604,422
4. Step 4: Simplify right side
   279,031.50x = 365,325,954,084
5. Step 5: Solve for x
   x = 365,325,954,084/279,031.50
6. Step 6: Final answer
   x = 1,309,264.20