Finding the Third Proportional to 4,384,040 and 9,606,160

Step by Step Solution

1. Step 1: Write the proportion equation
   4,384,040 : 9,606,160 = 9,606,160 : x
2. Step 2: Convert to fraction form
   4,384,040/9,606,160 = 9,606,160/x
3. Step 3: Cross multiply
   4,384,040x = 9,606,160 × 9,606,160
4. Step 4: Simplify right side
   4,384,040x = 92,278,309,945,600
5. Step 5: Solve for x
   x = 92,278,309,945,600/4,384,040
6. Step 6: Final answer
   x = 21,048,692.52