Finding the Third Proportional to 30,224 and 42,487

Step by Step Solution

1. Step 1: Write the proportion equation
   30,224 : 42,487 = 42,487 : x
2. Step 2: Convert to fraction form
   30,224/42,487 = 42,487/x
3. Step 3: Cross multiply
   30,224x = 42,487 × 42,487
4. Step 4: Simplify right side
   30,224x = 1,805,145,169
5. Step 5: Solve for x
   x = 1,805,145,169/30,224
6. Step 6: Final answer
   x = 59,725.55