Finding the Third Proportional to 12,970 and 28,370

Step by Step Solution

1. Step 1: Write the proportion equation
   12,970 : 28,370 = 28,370 : x
2. Step 2: Convert to fraction form
   12,970/28,370 = 28,370/x
3. Step 3: Cross multiply
   12,970x = 28,370 × 28,370
4. Step 4: Simplify right side
   12,970x = 804,856,900
5. Step 5: Solve for x
   x = 804,856,900/12,970
6. Step 6: Final answer
   x = 62,055.27