Finding the Third Proportional to 7,836,270 and 12,109,035

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,270 : 12,109,035 = 12,109,035 : x
2. Step 2: Convert to fraction form
   7,836,270/12,109,035 = 12,109,035/x
3. Step 3: Cross multiply
   7,836,270x = 12,109,035 × 12,109,035
4. Step 4: Simplify right side
   7,836,270x = 146,628,728,631,225
5. Step 5: Solve for x
   x = 146,628,728,631,225/7,836,270
6. Step 6: Final answer
   x = 18,711,546.26