Finding the Third Proportional to 4,102,906 and 8,928,250

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,906 : 8,928,250 = 8,928,250 : x
2. Step 2: Convert to fraction form
   4,102,906/8,928,250 = 8,928,250/x
3. Step 3: Cross multiply
   4,102,906x = 8,928,250 × 8,928,250
4. Step 4: Simplify right side
   4,102,906x = 79,713,648,062,500
5. Step 5: Solve for x
   x = 79,713,648,062,500/4,102,906
6. Step 6: Final answer
   x = 19,428,582.59