Finding the Third Proportional to 7,836,178 and 12,108,882

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,178 : 12,108,882 = 12,108,882 : x
2. Step 2: Convert to fraction form
   7,836,178/12,108,882 = 12,108,882/x
3. Step 3: Cross multiply
   7,836,178x = 12,108,882 × 12,108,882
4. Step 4: Simplify right side
   7,836,178x = 146,625,023,289,924
5. Step 5: Solve for x
   x = 146,625,023,289,924/7,836,178
6. Step 6: Final answer
   x = 18,711,293.09