Finding the Third Proportional to 7,836,268 and 12,109,032

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,268 : 12,109,032 = 12,109,032 : x
2. Step 2: Convert to fraction form
   7,836,268/12,109,032 = 12,109,032/x
3. Step 3: Cross multiply
   7,836,268x = 12,109,032 × 12,109,032
4. Step 4: Simplify right side
   7,836,268x = 146,628,655,977,024
5. Step 5: Solve for x
   x = 146,628,655,977,024/7,836,268
6. Step 6: Final answer
   x = 18,711,541.77