Finding the Third Proportional to 612,319.50 and 965,439

Step by Step Solution

1. Step 1: Write the proportion equation
   612,319.50 : 965,439 = 965,439 : x
2. Step 2: Convert to fraction form
   612,319.50/965,439 = 965,439/x
3. Step 3: Cross multiply
   612,319.50x = 965,439 × 965,439
4. Step 4: Simplify right side
   612,319.50x = 932,072,462,721
5. Step 5: Solve for x
   x = 932,072,462,721/612,319.50
6. Step 6: Final answer
   x = 1,522,199.54