Finding the Third Proportional to 20,887 and 43,501

Step by Step Solution

1. Step 1: Write the proportion equation
   20,887 : 43,501 = 43,501 : x
2. Step 2: Convert to fraction form
   20,887/43,501 = 43,501/x
3. Step 3: Cross multiply
   20,887x = 43,501 × 43,501
4. Step 4: Simplify right side
   20,887x = 1,892,337,001
5. Step 5: Solve for x
   x = 1,892,337,001/20,887
6. Step 6: Final answer
   x = 90,598.79