Finding the Third Proportional to 20,312 and 42,841

Step by Step Solution

1. Step 1: Write the proportion equation
   20,312 : 42,841 = 42,841 : x
2. Step 2: Convert to fraction form
   20,312/42,841 = 42,841/x
3. Step 3: Cross multiply
   20,312x = 42,841 × 42,841
4. Step 4: Simplify right side
   20,312x = 1,835,351,281
5. Step 5: Solve for x
   x = 1,835,351,281/20,312
6. Step 6: Final answer
   x = 90,357.98