Finding the Third Proportional to 70,474.50 and 96,639.75

Step by Step Solution

1. Step 1: Write the proportion equation
   70,474.50 : 96,639.75 = 96,639.75 : x
2. Step 2: Convert to fraction form
   70,474.50/96,639.75 = 96,639.75/x
3. Step 3: Cross multiply
   70,474.50x = 96,639.75 × 96,639.75
4. Step 4: Simplify right side
   70,474.50x = 9,339,241,280.06
5. Step 5: Solve for x
   x = 9,339,241,280.06/70,474.50
6. Step 6: Final answer
   x = 132,519.44