Finding the Third Proportional to 20,428 and 30,264

Step by Step Solution

1. Step 1: Write the proportion equation
   20,428 : 30,264 = 30,264 : x
2. Step 2: Convert to fraction form
   20,428/30,264 = 30,264/x
3. Step 3: Cross multiply
   20,428x = 30,264 × 30,264
4. Step 4: Simplify right side
   20,428x = 915,909,696
5. Step 5: Solve for x
   x = 915,909,696/20,428
6. Step 6: Final answer
   x = 44,835.99