Finding the Third Proportional to 58,367.50 and 89,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,367.50 : 89,245.50 = 89,245.50 : x
2. Step 2: Convert to fraction form
   58,367.50/89,245.50 = 89,245.50/x
3. Step 3: Cross multiply
   58,367.50x = 89,245.50 × 89,245.50
4. Step 4: Simplify right side
   58,367.50x = 7,964,759,270.25
5. Step 5: Solve for x
   x = 7,964,759,270.25/58,367.50
6. Step 6: Final answer
   x = 136,458.80