Finding the Third Proportional to 70,480.50 and 103,074.75

Step by Step Solution

1. Step 1: Write the proportion equation
   70,480.50 : 103,074.75 = 103,074.75 : x
2. Step 2: Convert to fraction form
   70,480.50/103,074.75 = 103,074.75/x
3. Step 3: Cross multiply
   70,480.50x = 103,074.75 × 103,074.75
4. Step 4: Simplify right side
   70,480.50x = 10,624,404,087.56
5. Step 5: Solve for x
   x = 10,624,404,087.56/70,480.50
6. Step 6: Final answer
   x = 150,742.46