Finding the Third Proportional to 636,276 and 1,372,180

Step by Step Solution

1. Step 1: Write the proportion equation
   636,276 : 1,372,180 = 1,372,180 : x
2. Step 2: Convert to fraction form
   636,276/1,372,180 = 1,372,180/x
3. Step 3: Cross multiply
   636,276x = 1,372,180 × 1,372,180
4. Step 4: Simplify right side
   636,276x = 1,882,877,952,400
5. Step 5: Solve for x
   x = 1,882,877,952,400/636,276
6. Step 6: Final answer
   x = 2,959,215.74