Finding the Third Proportional to 28,028 and 42,146

Step by Step Solution

1. Step 1: Write the proportion equation
   28,028 : 42,146 = 42,146 : x
2. Step 2: Convert to fraction form
   28,028/42,146 = 42,146/x
3. Step 3: Cross multiply
   28,028x = 42,146 × 42,146
4. Step 4: Simplify right side
   28,028x = 1,776,285,316
5. Step 5: Solve for x
   x = 1,776,285,316/28,028
6. Step 6: Final answer
   x = 63,375.39