Finding the Third Proportional to 30,658 and 63,512

Step by Step Solution

1. Step 1: Write the proportion equation
   30,658 : 63,512 = 63,512 : x
2. Step 2: Convert to fraction form
   30,658/63,512 = 63,512/x
3. Step 3: Cross multiply
   30,658x = 63,512 × 63,512
4. Step 4: Simplify right side
   30,658x = 4,033,774,144
5. Step 5: Solve for x
   x = 4,033,774,144/30,658
6. Step 6: Final answer
   x = 131,573.30