Finding the Third Proportional to 86,447.25 and 188,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,447.25 : 188,041.50 = 188,041.50 : x
2. Step 2: Convert to fraction form
   86,447.25/188,041.50 = 188,041.50/x
3. Step 3: Cross multiply
   86,447.25x = 188,041.50 × 188,041.50
4. Step 4: Simplify right side
   86,447.25x = 35,359,605,722.25
5. Step 5: Solve for x
   x = 35,359,605,722.25/86,447.25
6. Step 6: Final answer
   x = 409,031.01