Finding the Third Proportional to 635,428 and 1,314,920

Step by Step Solution

1. Step 1: Write the proportion equation
   635,428 : 1,314,920 = 1,314,920 : x
2. Step 2: Convert to fraction form
   635,428/1,314,920 = 1,314,920/x
3. Step 3: Cross multiply
   635,428x = 1,314,920 × 1,314,920
4. Step 4: Simplify right side
   635,428x = 1,729,014,606,400
5. Step 5: Solve for x
   x = 1,729,014,606,400/635,428
6. Step 6: Final answer
   x = 2,721,023.64