Finding the Third Proportional to 42,102 and 60,825

Step by Step Solution

1. Step 1: Write the proportion equation
   42,102 : 60,825 = 60,825 : x
2. Step 2: Convert to fraction form
   42,102/60,825 = 60,825/x
3. Step 3: Cross multiply
   42,102x = 60,825 × 60,825
4. Step 4: Simplify right side
   42,102x = 3,699,680,625
5. Step 5: Solve for x
   x = 3,699,680,625/42,102
6. Step 6: Final answer
   x = 87,874.23