Finding the Third Proportional to 636,271 and 1,372,172

Step by Step Solution

1. Step 1: Write the proportion equation
   636,271 : 1,372,172 = 1,372,172 : x
2. Step 2: Convert to fraction form
   636,271/1,372,172 = 1,372,172/x
3. Step 3: Cross multiply
   636,271x = 1,372,172 × 1,372,172
4. Step 4: Simplify right side
   636,271x = 1,882,855,997,584
5. Step 5: Solve for x
   x = 1,882,855,997,584/636,271
6. Step 6: Final answer
   x = 2,959,204.49