Finding the Third Proportional to 287,424 and 593,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   287,424 : 593,299.50 = 593,299.50 : x
2. Step 2: Convert to fraction form
   287,424/593,299.50 = 593,299.50/x
3. Step 3: Cross multiply
   287,424x = 593,299.50 × 593,299.50
4. Step 4: Simplify right side
   287,424x = 352,004,296,700.25
5. Step 5: Solve for x
   x = 352,004,296,700.25/287,424
6. Step 6: Final answer
   x = 1,224,686.51