Finding the Third Proportional to 47,684.25 and 72,140.25

Step by Step Solution

1. Step 1: Write the proportion equation
   47,684.25 : 72,140.25 = 72,140.25 : x
2. Step 2: Convert to fraction form
   47,684.25/72,140.25 = 72,140.25/x
3. Step 3: Cross multiply
   47,684.25x = 72,140.25 × 72,140.25
4. Step 4: Simplify right side
   47,684.25x = 5,204,215,670.06
5. Step 5: Solve for x
   x = 5,204,215,670.06/47,684.25
6. Step 6: Final answer
   x = 109,139.09