Finding the Third Proportional to 10,818,954 and 16,848,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818,954 : 16,848,814.50 = 16,848,814.50 : x
2. Step 2: Convert to fraction form
   10,818,954/16,848,814.50 = 16,848,814.50/x
3. Step 3: Cross multiply
   10,818,954x = 16,848,814.50 × 16,848,814.50
4. Step 4: Simplify right side
   10,818,954x = 283,882,550,055,410.25
5. Step 5: Solve for x
   x = 283,882,550,055,410.25/10,818,954
6. Step 6: Final answer
   x = 26,239,371.20