Finding the Third Proportional to 922,578 and 1,996,788

Step by Step Solution

1. Step 1: Write the proportion equation
   922,578 : 1,996,788 = 1,996,788 : x
2. Step 2: Convert to fraction form
   922,578/1,996,788 = 1,996,788/x
3. Step 3: Cross multiply
   922,578x = 1,996,788 × 1,996,788
4. Step 4: Simplify right side
   922,578x = 3,987,162,316,944
5. Step 5: Solve for x
   x = 3,987,162,316,944/922,578
6. Step 6: Final answer
   x = 4,321,761.76