Finding the Third Proportional to 20,246 and 42,693

Step by Step Solution

1. Step 1: Write the proportion equation
   20,246 : 42,693 = 42,693 : x
2. Step 2: Convert to fraction form
   20,246/42,693 = 42,693/x
3. Step 3: Cross multiply
   20,246x = 42,693 × 42,693
4. Step 4: Simplify right side
   20,246x = 1,822,692,249
5. Step 5: Solve for x
   x = 1,822,692,249/20,246
6. Step 6: Final answer
   x = 90,027.28