Finding the Third Proportional to 7,836,195 and 12,108,921

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,195 : 12,108,921 = 12,108,921 : x
2. Step 2: Convert to fraction form
   7,836,195/12,108,921 = 12,108,921/x
3. Step 3: Cross multiply
   7,836,195x = 12,108,921 × 12,108,921
4. Step 4: Simplify right side
   7,836,195x = 146,625,967,784,241
5. Step 5: Solve for x
   x = 146,625,967,784,241/7,836,195
6. Step 6: Final answer
   x = 18,711,373.03