Finding the Third Proportional to 1,236,628 and 1,967,153

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,628 : 1,967,153 = 1,967,153 : x
2. Step 2: Convert to fraction form
   1,236,628/1,967,153 = 1,967,153/x
3. Step 3: Cross multiply
   1,236,628x = 1,967,153 × 1,967,153
4. Step 4: Simplify right side
   1,236,628x = 3,869,690,925,409
5. Step 5: Solve for x
   x = 3,869,690,925,409/1,236,628
6. Step 6: Final answer
   x = 3,129,227.97