Finding the Third Proportional to 188,970 and 288,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,970 : 288,948.50 = 288,948.50 : x
2. Step 2: Convert to fraction form
   188,970/288,948.50 = 288,948.50/x
3. Step 3: Cross multiply
   188,970x = 288,948.50 × 288,948.50
4. Step 4: Simplify right side
   188,970x = 83,491,235,652.25
5. Step 5: Solve for x
   x = 83,491,235,652.25/188,970
6. Step 6: Final answer
   x = 441,822.70