Finding the Third Proportional to 70,578 and 100,323

Step by Step Solution

1. Step 1: Write the proportion equation
   70,578 : 100,323 = 100,323 : x
2. Step 2: Convert to fraction form
   70,578/100,323 = 100,323/x
3. Step 3: Cross multiply
   70,578x = 100,323 × 100,323
4. Step 4: Simplify right side
   70,578x = 10,064,704,329
5. Step 5: Solve for x
   x = 10,064,704,329/70,578
6. Step 6: Final answer
   x = 142,603.99