Finding the Third Proportional to 30,573 and 63,111

Step by Step Solution

1. Step 1: Write the proportion equation
   30,573 : 63,111 = 63,111 : x
2. Step 2: Convert to fraction form
   30,573/63,111 = 63,111/x
3. Step 3: Cross multiply
   30,573x = 63,111 × 63,111
4. Step 4: Simplify right side
   30,573x = 3,982,998,321
5. Step 5: Solve for x
   x = 3,982,998,321/30,573
6. Step 6: Final answer
   x = 130,278.30