Finding the Third Proportional to 636,155 and 1,371,948

Step by Step Solution

1. Step 1: Write the proportion equation
   636,155 : 1,371,948 = 1,371,948 : x
2. Step 2: Convert to fraction form
   636,155/1,371,948 = 1,371,948/x
3. Step 3: Cross multiply
   636,155x = 1,371,948 × 1,371,948
4. Step 4: Simplify right side
   636,155x = 1,882,241,314,704
5. Step 5: Solve for x
   x = 1,882,241,314,704/636,155
6. Step 6: Final answer
   x = 2,958,777.84