Finding the Third Proportional to 404,298 and 626,880

Step by Step Solution

1. Step 1: Write the proportion equation
   404,298 : 626,880 = 626,880 : x
2. Step 2: Convert to fraction form
   404,298/626,880 = 626,880/x
3. Step 3: Cross multiply
   404,298x = 626,880 × 626,880
4. Step 4: Simplify right side
   404,298x = 392,978,534,400
5. Step 5: Solve for x
   x = 392,978,534,400/404,298
6. Step 6: Final answer
   x = 972,002.17