Finding the Third Proportional to 120,031 and 175,111

Step by Step Solution

1. Step 1: Write the proportion equation
   120,031 : 175,111 = 175,111 : x
2. Step 2: Convert to fraction form
   120,031/175,111 = 175,111/x
3. Step 3: Cross multiply
   120,031x = 175,111 × 175,111
4. Step 4: Simplify right side
   120,031x = 30,663,862,321
5. Step 5: Solve for x
   x = 30,663,862,321/120,031
6. Step 6: Final answer
   x = 255,466.19