Finding the Third Proportional to 28,439 and 60,156

Step by Step Solution

1. Step 1: Write the proportion equation
   28,439 : 60,156 = 60,156 : x
2. Step 2: Convert to fraction form
   28,439/60,156 = 60,156/x
3. Step 3: Cross multiply
   28,439x = 60,156 × 60,156
4. Step 4: Simplify right side
   28,439x = 3,618,744,336
5. Step 5: Solve for x
   x = 3,618,744,336/28,439
6. Step 6: Final answer
   x = 127,245.84