Finding the Third Proportional to 636,156 and 1,371,946

Step by Step Solution

1. Step 1: Write the proportion equation
   636,156 : 1,371,946 = 1,371,946 : x
2. Step 2: Convert to fraction form
   636,156/1,371,946 = 1,371,946/x
3. Step 3: Cross multiply
   636,156x = 1,371,946 × 1,371,946
4. Step 4: Simplify right side
   636,156x = 1,882,235,826,916
5. Step 5: Solve for x
   x = 1,882,235,826,916/636,156
6. Step 6: Final answer
   x = 2,958,764.56