Finding the Third Proportional to 1,236,624 and 1,967,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,624 : 1,967,138 = 1,967,138 : x
2. Step 2: Convert to fraction form
   1,236,624/1,967,138 = 1,967,138/x
3. Step 3: Cross multiply
   1,236,624x = 1,967,138 × 1,967,138
4. Step 4: Simplify right side
   1,236,624x = 3,869,631,911,044
5. Step 5: Solve for x
   x = 3,869,631,911,044/1,236,624
6. Step 6: Final answer
   x = 3,129,190.37