Finding the Third Proportional to 28,179 and 42,179

Step by Step Solution

1. Step 1: Write the proportion equation
   28,179 : 42,179 = 42,179 : x
2. Step 2: Convert to fraction form
   28,179/42,179 = 42,179/x
3. Step 3: Cross multiply
   28,179x = 42,179 × 42,179
4. Step 4: Simplify right side
   28,179x = 1,779,068,041
5. Step 5: Solve for x
   x = 1,779,068,041/28,179
6. Step 6: Final answer
   x = 63,134.53