Finding the Third Proportional to 12,943 and 28,309

Step by Step Solution

1. Step 1: Write the proportion equation
   12,943 : 28,309 = 28,309 : x
2. Step 2: Convert to fraction form
   12,943/28,309 = 28,309/x
3. Step 3: Cross multiply
   12,943x = 28,309 × 28,309
4. Step 4: Simplify right side
   12,943x = 801,399,481
5. Step 5: Solve for x
   x = 801,399,481/12,943
6. Step 6: Final answer
   x = 61,917.60