Finding the Third Proportional to 28,412 and 42,068

Step by Step Solution

1. Step 1: Write the proportion equation
   28,412 : 42,068 = 42,068 : x
2. Step 2: Convert to fraction form
   28,412/42,068 = 42,068/x
3. Step 3: Cross multiply
   28,412x = 42,068 × 42,068
4. Step 4: Simplify right side
   28,412x = 1,769,716,624
5. Step 5: Solve for x
   x = 1,769,716,624/28,412
6. Step 6: Final answer
   x = 62,287.65