Finding the Third Proportional to 7,836,174 and 12,108,876

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,174 : 12,108,876 = 12,108,876 : x
2. Step 2: Convert to fraction form
   7,836,174/12,108,876 = 12,108,876/x
3. Step 3: Cross multiply
   7,836,174x = 12,108,876 × 12,108,876
4. Step 4: Simplify right side
   7,836,174x = 146,624,877,983,376
5. Step 5: Solve for x
   x = 146,624,877,983,376/7,836,174
6. Step 6: Final answer
   x = 18,711,284.10