Finding the Third Proportional to 45,393.75 and 70,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,393.75 : 70,519.50 = 70,519.50 : x
2. Step 2: Convert to fraction form
   45,393.75/70,519.50 = 70,519.50/x
3. Step 3: Cross multiply
   45,393.75x = 70,519.50 × 70,519.50
4. Step 4: Simplify right side
   45,393.75x = 4,972,999,880.25
5. Step 5: Solve for x
   x = 4,972,999,880.25/45,393.75
6. Step 6: Final answer
   x = 109,552.52