Finding the Third Proportional to 53,157 and 82,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,157 : 82,255.50 = 82,255.50 : x
2. Step 2: Convert to fraction form
   53,157/82,255.50 = 82,255.50/x
3. Step 3: Cross multiply
   53,157x = 82,255.50 × 82,255.50
4. Step 4: Simplify right side
   53,157x = 6,765,967,280.25
5. Step 5: Solve for x
   x = 6,765,967,280.25/53,157
6. Step 6: Final answer
   x = 127,282.71