Finding the Third Proportional to 8,593,934 and 12,428,322

Step by Step Solution

1. Step 1: Write the proportion equation
   8,593,934 : 12,428,322 = 12,428,322 : x
2. Step 2: Convert to fraction form
   8,593,934/12,428,322 = 12,428,322/x
3. Step 3: Cross multiply
   8,593,934x = 12,428,322 × 12,428,322
4. Step 4: Simplify right side
   8,593,934x = 154,463,187,735,684
5. Step 5: Solve for x
   x = 154,463,187,735,684/8,593,934
6. Step 6: Final answer
   x = 17,973,513.38