Finding the Third Proportional to 636,984 and 1,392,102

Step by Step Solution

1. Step 1: Write the proportion equation
   636,984 : 1,392,102 = 1,392,102 : x
2. Step 2: Convert to fraction form
   636,984/1,392,102 = 1,392,102/x
3. Step 3: Cross multiply
   636,984x = 1,392,102 × 1,392,102
4. Step 4: Simplify right side
   636,984x = 1,937,947,978,404
5. Step 5: Solve for x
   x = 1,937,947,978,404/636,984
6. Step 6: Final answer
   x = 3,042,380.94