Finding the Third Proportional to 45,774 and 70,839

Step by Step Solution

1. Step 1: Write the proportion equation
   45,774 : 70,839 = 70,839 : x
2. Step 2: Convert to fraction form
   45,774/70,839 = 70,839/x
3. Step 3: Cross multiply
   45,774x = 70,839 × 70,839
4. Step 4: Simplify right side
   45,774x = 5,018,163,921
5. Step 5: Solve for x
   x = 5,018,163,921/45,774
6. Step 6: Final answer
   x = 109,629.13