Finding the Third Proportional to 87,109.50 and 188,475

Step by Step Solution

1. Step 1: Write the proportion equation
   87,109.50 : 188,475 = 188,475 : x
2. Step 2: Convert to fraction form
   87,109.50/188,475 = 188,475/x
3. Step 3: Cross multiply
   87,109.50x = 188,475 × 188,475
4. Step 4: Simplify right side
   87,109.50x = 35,522,825,625
5. Step 5: Solve for x
   x = 35,522,825,625/87,109.50
6. Step 6: Final answer
   x = 407,795.08