Finding the Third Proportional to 87,528 and 123,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,528 : 123,859.50 = 123,859.50 : x
2. Step 2: Convert to fraction form
   87,528/123,859.50 = 123,859.50/x
3. Step 3: Cross multiply
   87,528x = 123,859.50 × 123,859.50
4. Step 4: Simplify right side
   87,528x = 15,341,175,740.25
5. Step 5: Solve for x
   x = 15,341,175,740.25/87,528
6. Step 6: Final answer
   x = 175,271.64