Finding the Third Proportional to 49,609 and 70,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,609 : 70,723.50 = 70,723.50 : x
2. Step 2: Convert to fraction form
   49,609/70,723.50 = 70,723.50/x
3. Step 3: Cross multiply
   49,609x = 70,723.50 × 70,723.50
4. Step 4: Simplify right side
   49,609x = 5,001,813,452.25
5. Step 5: Solve for x
   x = 5,001,813,452.25/49,609
6. Step 6: Final answer
   x = 100,824.72