Finding the Third Proportional to 50,321.25 and 70,530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,321.25 : 70,530.75 = 70,530.75 : x
2. Step 2: Convert to fraction form
   50,321.25/70,530.75 = 70,530.75/x
3. Step 3: Cross multiply
   50,321.25x = 70,530.75 × 70,530.75
4. Step 4: Simplify right side
   50,321.25x = 4,974,586,695.56
5. Step 5: Solve for x
   x = 4,974,586,695.56/50,321.25
6. Step 6: Final answer
   x = 98,856.58