Finding the Third Proportional to 636,242 and 1,372,164

Step by Step Solution

1. Step 1: Write the proportion equation
   636,242 : 1,372,164 = 1,372,164 : x
2. Step 2: Convert to fraction form
   636,242/1,372,164 = 1,372,164/x
3. Step 3: Cross multiply
   636,242x = 1,372,164 × 1,372,164
4. Step 4: Simplify right side
   636,242x = 1,882,834,042,896
5. Step 5: Solve for x
   x = 1,882,834,042,896/636,242
6. Step 6: Final answer
   x = 2,959,304.86