Finding the Third Proportional to 28,178 and 60,260

Step by Step Solution

1. Step 1: Write the proportion equation
   28,178 : 60,260 = 60,260 : x
2. Step 2: Convert to fraction form
   28,178/60,260 = 60,260/x
3. Step 3: Cross multiply
   28,178x = 60,260 × 60,260
4. Step 4: Simplify right side
   28,178x = 3,631,267,600
5. Step 5: Solve for x
   x = 3,631,267,600/28,178
6. Step 6: Final answer
   x = 128,868.89