Finding the Third Proportional to 58,322.75 and 90,481.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,322.75 : 90,481.25 = 90,481.25 : x
2. Step 2: Convert to fraction form
   58,322.75/90,481.25 = 90,481.25/x
3. Step 3: Cross multiply
   58,322.75x = 90,481.25 × 90,481.25
4. Step 4: Simplify right side
   58,322.75x = 8,186,856,601.56
5. Step 5: Solve for x
   x = 8,186,856,601.56/58,322.75
6. Step 6: Final answer
   x = 140,371.58