Finding the Third Proportional to 16,238,478 and 33,820,356

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238,478 : 33,820,356 = 33,820,356 : x
2. Step 2: Convert to fraction form
   16,238,478/33,820,356 = 33,820,356/x
3. Step 3: Cross multiply
   16,238,478x = 33,820,356 × 33,820,356
4. Step 4: Simplify right side
   16,238,478x = 1,143,816,479,966,736
5. Step 5: Solve for x
   x = 1,143,816,479,966,736/16,238,478
6. Step 6: Final answer
   x = 70,438,650.71