Finding the Third Proportional to 188,824.50 and 288,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,824.50 : 288,166.50 = 288,166.50 : x
2. Step 2: Convert to fraction form
   188,824.50/288,166.50 = 288,166.50/x
3. Step 3: Cross multiply
   188,824.50x = 288,166.50 × 288,166.50
4. Step 4: Simplify right side
   188,824.50x = 83,039,931,722.25
5. Step 5: Solve for x
   x = 83,039,931,722.25/188,824.50
6. Step 6: Final answer
   x = 439,773.08