Finding the Third Proportional to 7,836,164 and 12,108,874

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,164 : 12,108,874 = 12,108,874 : x
2. Step 2: Convert to fraction form
   7,836,164/12,108,874 = 12,108,874/x
3. Step 3: Cross multiply
   7,836,164x = 12,108,874 × 12,108,874
4. Step 4: Simplify right side
   7,836,164x = 146,624,829,547,876
5. Step 5: Solve for x
   x = 146,624,829,547,876/7,836,164
6. Step 6: Final answer
   x = 18,711,301.80