Finding the Third Proportional to 91,844,838 and 198,300,204

Step by Step Solution

1. Step 1: Write the proportion equation
   91,844,838 : 198,300,204 = 198,300,204 : x
2. Step 2: Convert to fraction form
   91,844,838/198,300,204 = 198,300,204/x
3. Step 3: Cross multiply
   91,844,838x = 198,300,204 × 198,300,204
4. Step 4: Simplify right side
   91,844,838x = 39,322,970,906,441,616
5. Step 5: Solve for x
   x = 39,322,970,906,441,616/91,844,838
6. Step 6: Final answer
   x = 428,145,683.12