Finding the Third Proportional to 634,434 and 1,373,412

Step by Step Solution

1. Step 1: Write the proportion equation
   634,434 : 1,373,412 = 1,373,412 : x
2. Step 2: Convert to fraction form
   634,434/1,373,412 = 1,373,412/x
3. Step 3: Cross multiply
   634,434x = 1,373,412 × 1,373,412
4. Step 4: Simplify right side
   634,434x = 1,886,260,521,744
5. Step 5: Solve for x
   x = 1,886,260,521,744/634,434
6. Step 6: Final answer
   x = 2,973,139.08