Finding the Third Proportional to 636,153 and 1,371,944

Step by Step Solution

1. Step 1: Write the proportion equation
   636,153 : 1,371,944 = 1,371,944 : x
2. Step 2: Convert to fraction form
   636,153/1,371,944 = 1,371,944/x
3. Step 3: Cross multiply
   636,153x = 1,371,944 × 1,371,944
4. Step 4: Simplify right side
   636,153x = 1,882,230,339,136
5. Step 5: Solve for x
   x = 1,882,230,339,136/636,153
6. Step 6: Final answer
   x = 2,958,769.89