Finding the Third Proportional to 139,816,002 and 217,085,286

Step by Step Solution

1. Step 1: Write the proportion equation
   139,816,002 : 217,085,286 = 217,085,286 : x
2. Step 2: Convert to fraction form
   139,816,002/217,085,286 = 217,085,286/x
3. Step 3: Cross multiply
   139,816,002x = 217,085,286 × 217,085,286
4. Step 4: Simplify right side
   139,816,002x = 47,126,021,397,701,792
5. Step 5: Solve for x
   x = 47,126,021,397,701,792/139,816,002
6. Step 6: Final answer
   x = 337,057,423.50