Finding the Third Proportional to 57,302.50 and 86,062

Step by Step Solution

1. Step 1: Write the proportion equation
   57,302.50 : 86,062 = 86,062 : x
2. Step 2: Convert to fraction form
   57,302.50/86,062 = 86,062/x
3. Step 3: Cross multiply
   57,302.50x = 86,062 × 86,062
4. Step 4: Simplify right side
   57,302.50x = 7,406,667,844
5. Step 5: Solve for x
   x = 7,406,667,844/57,302.50
6. Step 6: Final answer
   x = 129,255.58