Finding the Third Proportional to 4,505,143 and 9,329,662

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505,143 : 9,329,662 = 9,329,662 : x
2. Step 2: Convert to fraction form
   4,505,143/9,329,662 = 9,329,662/x
3. Step 3: Cross multiply
   4,505,143x = 9,329,662 × 9,329,662
4. Step 4: Simplify right side
   4,505,143x = 87,042,593,034,244
5. Step 5: Solve for x
   x = 87,042,593,034,244/4,505,143
6. Step 6: Final answer
   x = 19,320,717.02