Finding the Third Proportional to 6,665,666 and 9,954,819

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665,666 : 9,954,819 = 9,954,819 : x
2. Step 2: Convert to fraction form
   6,665,666/9,954,819 = 9,954,819/x
3. Step 3: Cross multiply
   6,665,666x = 9,954,819 × 9,954,819
4. Step 4: Simplify right side
   6,665,666x = 99,098,421,322,761
5. Step 5: Solve for x
   x = 99,098,421,322,761/6,665,666
6. Step 6: Final answer
   x = 14,866,994.73