Finding the Third Proportional to 57,143 and 83,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,143 : 83,480.50 = 83,480.50 : x
2. Step 2: Convert to fraction form
   57,143/83,480.50 = 83,480.50/x
3. Step 3: Cross multiply
   57,143x = 83,480.50 × 83,480.50
4. Step 4: Simplify right side
   57,143x = 6,968,993,880.25
5. Step 5: Solve for x
   x = 6,968,993,880.25/57,143
6. Step 6: Final answer
   x = 121,957.09