Finding the Third Proportional to 20,155 and 28,501

Step by Step Solution

1. Step 1: Write the proportion equation
   20,155 : 28,501 = 28,501 : x
2. Step 2: Convert to fraction form
   20,155/28,501 = 28,501/x
3. Step 3: Cross multiply
   20,155x = 28,501 × 28,501
4. Step 4: Simplify right side
   20,155x = 812,307,001
5. Step 5: Solve for x
   x = 812,307,001/20,155
6. Step 6: Final answer
   x = 40,303.00