Finding the Third Proportional to 4,131,996 and 8,927,928

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,996 : 8,927,928 = 8,927,928 : x
2. Step 2: Convert to fraction form
   4,131,996/8,927,928 = 8,927,928/x
3. Step 3: Cross multiply
   4,131,996x = 8,927,928 × 8,927,928
4. Step 4: Simplify right side
   4,131,996x = 79,707,898,373,184
5. Step 5: Solve for x
   x = 79,707,898,373,184/4,131,996
6. Step 6: Final answer
   x = 19,290,410.34