Finding the Third Proportional to 11,800 and 28,528

Step by Step Solution

1. Step 1: Write the proportion equation
   11,800 : 28,528 = 28,528 : x
2. Step 2: Convert to fraction form
   11,800/28,528 = 28,528/x
3. Step 3: Cross multiply
   11,800x = 28,528 × 28,528
4. Step 4: Simplify right side
   11,800x = 813,846,784
5. Step 5: Solve for x
   x = 813,846,784/11,800
6. Step 6: Final answer
   x = 68,970.07