Finding the Third Proportional to 443,382 and 918,294

Step by Step Solution

1. Step 1: Write the proportion equation
   443,382 : 918,294 = 918,294 : x
2. Step 2: Convert to fraction form
   443,382/918,294 = 918,294/x
3. Step 3: Cross multiply
   443,382x = 918,294 × 918,294
4. Step 4: Simplify right side
   443,382x = 843,263,870,436
5. Step 5: Solve for x
   x = 843,263,870,436/443,382
6. Step 6: Final answer
   x = 1,901,890.18