Finding the Third Proportional to 12,830 and 28,030

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830 : 28,030 = 28,030 : x
2. Step 2: Convert to fraction form
   12,830/28,030 = 28,030/x
3. Step 3: Cross multiply
   12,830x = 28,030 × 28,030
4. Step 4: Simplify right side
   12,830x = 785,680,900
5. Step 5: Solve for x
   x = 785,680,900/12,830
6. Step 6: Final answer
   x = 61,237.79