Finding the Third Proportional to 443,423 and 972,685

Step by Step Solution

1. Step 1: Write the proportion equation
   443,423 : 972,685 = 972,685 : x
2. Step 2: Convert to fraction form
   443,423/972,685 = 972,685/x
3. Step 3: Cross multiply
   443,423x = 972,685 × 972,685
4. Step 4: Simplify right side
   443,423x = 946,116,109,225
5. Step 5: Solve for x
   x = 946,116,109,225/443,423
6. Step 6: Final answer
   x = 2,133,664.94