Finding the Third Proportional to 45,238.50 and 70,908.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,238.50 : 70,908.75 = 70,908.75 : x
2. Step 2: Convert to fraction form
   45,238.50/70,908.75 = 70,908.75/x
3. Step 3: Cross multiply
   45,238.50x = 70,908.75 × 70,908.75
4. Step 4: Simplify right side
   45,238.50x = 5,028,050,826.56
5. Step 5: Solve for x
   x = 5,028,050,826.56/45,238.50
6. Step 6: Final answer
   x = 111,145.39