Finding the Third Proportional to 11,528 and 17,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,528 : 17,803.50 = 17,803.50 : x
2. Step 2: Convert to fraction form
   11,528/17,803.50 = 17,803.50/x
3. Step 3: Cross multiply
   11,528x = 17,803.50 × 17,803.50
4. Step 4: Simplify right side
   11,528x = 316,964,612.25
5. Step 5: Solve for x
   x = 316,964,612.25/11,528
6. Step 6: Final answer
   x = 27,495.20