Finding the Third Proportional to 47,128.71 and 99,104.13

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.71 : 99,104.13 = 99,104.13 : x
2. Step 2: Convert to fraction form
   47,128.71/99,104.13 = 99,104.13/x
3. Step 3: Cross multiply
   47,128.71x = 99,104.13 × 99,104.13
4. Step 4: Simplify right side
   47,128.71x = 9,821,629,140.52
5. Step 5: Solve for x
   x = 9,821,629,140.52/47,128.71
6. Step 6: Final answer
   x = 208,400.12