Finding the Third Proportional to 47,206.55 and 99,880.59

Step by Step Solution

1. Step 1: Write the proportion equation
   47,206.55 : 99,880.59 = 99,880.59 : x
2. Step 2: Convert to fraction form
   47,206.55/99,880.59 = 99,880.59/x
3. Step 3: Cross multiply
   47,206.55x = 99,880.59 × 99,880.59
4. Step 4: Simplify right side
   47,206.55x = 9,976,133,007.85
5. Step 5: Solve for x
   x = 9,976,133,007.85/47,206.55
6. Step 6: Final answer
   x = 211,329.44