Finding the Third Proportional to 6,400,404 and 13,996,356

Step by Step Solution

1. Step 1: Write the proportion equation
   6,400,404 : 13,996,356 = 13,996,356 : x
2. Step 2: Convert to fraction form
   6,400,404/13,996,356 = 13,996,356/x
3. Step 3: Cross multiply
   6,400,404x = 13,996,356 × 13,996,356
4. Step 4: Simplify right side
   6,400,404x = 195,897,981,278,736
5. Step 5: Solve for x
   x = 195,897,981,278,736/6,400,404
6. Step 6: Final answer
   x = 30,607,127.50