Finding the Third Proportional to 4,533,760 and 9,579,236

Step by Step Solution

1. Step 1: Write the proportion equation
   4,533,760 : 9,579,236 = 9,579,236 : x
2. Step 2: Convert to fraction form
   4,533,760/9,579,236 = 9,579,236/x
3. Step 3: Cross multiply
   4,533,760x = 9,579,236 × 9,579,236
4. Step 4: Simplify right side
   4,533,760x = 91,761,762,343,696
5. Step 5: Solve for x
   x = 91,761,762,343,696/4,533,760
6. Step 6: Final answer
   x = 20,239,660.31