Finding the Third Proportional to 70,780 and 103,248

Step by Step Solution

1. Step 1: Write the proportion equation
   70,780 : 103,248 = 103,248 : x
2. Step 2: Convert to fraction form
   70,780/103,248 = 103,248/x
3. Step 3: Cross multiply
   70,780x = 103,248 × 103,248
4. Step 4: Simplify right side
   70,780x = 10,660,149,504
5. Step 5: Solve for x
   x = 10,660,149,504/70,780
6. Step 6: Final answer
   x = 150,609.63