Finding the Third Proportional to 4,102,938 and 8,928,318

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,938 : 8,928,318 = 8,928,318 : x
2. Step 2: Convert to fraction form
   4,102,938/8,928,318 = 8,928,318/x
3. Step 3: Cross multiply
   4,102,938x = 8,928,318 × 8,928,318
4. Step 4: Simplify right side
   4,102,938x = 79,714,862,309,124
5. Step 5: Solve for x
   x = 79,714,862,309,124/4,102,938
6. Step 6: Final answer
   x = 19,428,727.00