Finding the Third Proportional to 195,481 and 288,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,481 : 288,037.50 = 288,037.50 : x
2. Step 2: Convert to fraction form
   195,481/288,037.50 = 288,037.50/x
3. Step 3: Cross multiply
   195,481x = 288,037.50 × 288,037.50
4. Step 4: Simplify right side
   195,481x = 82,965,601,406.25
5. Step 5: Solve for x
   x = 82,965,601,406.25/195,481
6. Step 6: Final answer
   x = 424,417.73