Finding the Third Proportional to 637,434 and 1,392,480

Step by Step Solution

1. Step 1: Write the proportion equation
   637,434 : 1,392,480 = 1,392,480 : x
2. Step 2: Convert to fraction form
   637,434/1,392,480 = 1,392,480/x
3. Step 3: Cross multiply
   637,434x = 1,392,480 × 1,392,480
4. Step 4: Simplify right side
   637,434x = 1,939,000,550,400
5. Step 5: Solve for x
   x = 1,939,000,550,400/637,434
6. Step 6: Final answer
   x = 3,041,884.42