Finding the Third Proportional to 4,407,072 and 9,343,236

Step by Step Solution

1. Step 1: Write the proportion equation
   4,407,072 : 9,343,236 = 9,343,236 : x
2. Step 2: Convert to fraction form
   4,407,072/9,343,236 = 9,343,236/x
3. Step 3: Cross multiply
   4,407,072x = 9,343,236 × 9,343,236
4. Step 4: Simplify right side
   4,407,072x = 87,296,058,951,696
5. Step 5: Solve for x
   x = 87,296,058,951,696/4,407,072
6. Step 6: Final answer
   x = 19,808,176.26