Finding the Third Proportional to 28,230 and 42,208

Step by Step Solution

1. Step 1: Write the proportion equation
   28,230 : 42,208 = 42,208 : x
2. Step 2: Convert to fraction form
   28,230/42,208 = 42,208/x
3. Step 3: Cross multiply
   28,230x = 42,208 × 42,208
4. Step 4: Simplify right side
   28,230x = 1,781,515,264
5. Step 5: Solve for x
   x = 1,781,515,264/28,230
6. Step 6: Final answer
   x = 63,107.16