Finding the Third Proportional to 28,748 and 42,176

Step by Step Solution

1. Step 1: Write the proportion equation
   28,748 : 42,176 = 42,176 : x
2. Step 2: Convert to fraction form
   28,748/42,176 = 42,176/x
3. Step 3: Cross multiply
   28,748x = 42,176 × 42,176
4. Step 4: Simplify right side
   28,748x = 1,778,814,976
5. Step 5: Solve for x
   x = 1,778,814,976/28,748
6. Step 6: Final answer
   x = 61,876.13