Finding the Third Proportional to 359,476 and 782,372

Step by Step Solution

1. Step 1: Write the proportion equation
   359,476 : 782,372 = 782,372 : x
2. Step 2: Convert to fraction form
   359,476/782,372 = 782,372/x
3. Step 3: Cross multiply
   359,476x = 782,372 × 782,372
4. Step 4: Simplify right side
   359,476x = 612,105,946,384
5. Step 5: Solve for x
   x = 612,105,946,384/359,476
6. Step 6: Final answer
   x = 1,702,772.78