Finding the Third Proportional to 28,210 and 60,172

Step by Step Solution

1. Step 1: Write the proportion equation
   28,210 : 60,172 = 60,172 : x
2. Step 2: Convert to fraction form
   28,210/60,172 = 60,172/x
3. Step 3: Cross multiply
   28,210x = 60,172 × 60,172
4. Step 4: Simplify right side
   28,210x = 3,620,669,584
5. Step 5: Solve for x
   x = 3,620,669,584/28,210
6. Step 6: Final answer
   x = 128,347.03