Finding the Third Proportional to 70,570 and 109,743

Step by Step Solution

1. Step 1: Write the proportion equation
   70,570 : 109,743 = 109,743 : x
2. Step 2: Convert to fraction form
   70,570/109,743 = 109,743/x
3. Step 3: Cross multiply
   70,570x = 109,743 × 109,743
4. Step 4: Simplify right side
   70,570x = 12,043,526,049
5. Step 5: Solve for x
   x = 12,043,526,049/70,570
6. Step 6: Final answer
   x = 170,660.71