Finding the Third Proportional to 59,475.50 and 86,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,475.50 : 86,979.50 = 86,979.50 : x
2. Step 2: Convert to fraction form
   59,475.50/86,979.50 = 86,979.50/x
3. Step 3: Cross multiply
   59,475.50x = 86,979.50 × 86,979.50
4. Step 4: Simplify right side
   59,475.50x = 7,565,433,420.25
5. Step 5: Solve for x
   x = 7,565,433,420.25/59,475.50
6. Step 6: Final answer
   x = 127,202.52