Finding the Third Proportional to 681,462 and 1,406,628

Step by Step Solution

1. Step 1: Write the proportion equation
   681,462 : 1,406,628 = 1,406,628 : x
2. Step 2: Convert to fraction form
   681,462/1,406,628 = 1,406,628/x
3. Step 3: Cross multiply
   681,462x = 1,406,628 × 1,406,628
4. Step 4: Simplify right side
   681,462x = 1,978,602,330,384
5. Step 5: Solve for x
   x = 1,978,602,330,384/681,462
6. Step 6: Final answer
   x = 2,903,466.86