Finding the Third Proportional to 4,102,858 and 8,928,164

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,858 : 8,928,164 = 8,928,164 : x
2. Step 2: Convert to fraction form
   4,102,858/8,928,164 = 8,928,164/x
3. Step 3: Cross multiply
   4,102,858x = 8,928,164 × 8,928,164
4. Step 4: Simplify right side
   4,102,858x = 79,712,112,410,896
5. Step 5: Solve for x
   x = 79,712,112,410,896/4,102,858
6. Step 6: Final answer
   x = 19,428,435.60