Finding the Third Proportional to 636,951 and 1,392,039

Step by Step Solution

1. Step 1: Write the proportion equation
   636,951 : 1,392,039 = 1,392,039 : x
2. Step 2: Convert to fraction form
   636,951/1,392,039 = 1,392,039/x
3. Step 3: Cross multiply
   636,951x = 1,392,039 × 1,392,039
4. Step 4: Simplify right side
   636,951x = 1,937,772,577,521
5. Step 5: Solve for x
   x = 1,937,772,577,521/636,951
6. Step 6: Final answer
   x = 3,042,263.18