Finding the Third Proportional to 61,232.50 and 86,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   61,232.50 : 86,667.75 = 86,667.75 : x
2. Step 2: Convert to fraction form
   61,232.50/86,667.75 = 86,667.75/x
3. Step 3: Cross multiply
   61,232.50x = 86,667.75 × 86,667.75
4. Step 4: Simplify right side
   61,232.50x = 7,511,298,890.06
5. Step 5: Solve for x
   x = 7,511,298,890.06/61,232.50
6. Step 6: Final answer
   x = 122,668.50