Finding the Third Proportional to 28,182 and 42,185

Step by Step Solution

1. Step 1: Write the proportion equation
   28,182 : 42,185 = 42,185 : x
2. Step 2: Convert to fraction form
   28,182/42,185 = 42,185/x
3. Step 3: Cross multiply
   28,182x = 42,185 × 42,185
4. Step 4: Simplify right side
   28,182x = 1,779,574,225
5. Step 5: Solve for x
   x = 1,779,574,225/28,182
6. Step 6: Final answer
   x = 63,145.77