Finding the Third Proportional to 28,619 and 42,101

Step by Step Solution

1. Step 1: Write the proportion equation
   28,619 : 42,101 = 42,101 : x
2. Step 2: Convert to fraction form
   28,619/42,101 = 42,101/x
3. Step 3: Cross multiply
   28,619x = 42,101 × 42,101
4. Step 4: Simplify right side
   28,619x = 1,772,494,201
5. Step 5: Solve for x
   x = 1,772,494,201/28,619
6. Step 6: Final answer
   x = 61,934.18