Finding the Third Proportional to 57,467.25 and 86,279.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,467.25 : 86,279.63 = 86,279.63 : x
2. Step 2: Convert to fraction form
   57,467.25/86,279.63 = 86,279.63/x
3. Step 3: Cross multiply
   57,467.25x = 86,279.63 × 86,279.63
4. Step 4: Simplify right side
   57,467.25x = 7,444,173,690.14
5. Step 5: Solve for x
   x = 7,444,173,690.14/57,467.25
6. Step 6: Final answer
   x = 129,537.67