Finding the Third Proportional to 443,430 and 972,698

Step by Step Solution

1. Step 1: Write the proportion equation
   443,430 : 972,698 = 972,698 : x
2. Step 2: Convert to fraction form
   443,430/972,698 = 972,698/x
3. Step 3: Cross multiply
   443,430x = 972,698 × 972,698
4. Step 4: Simplify right side
   443,430x = 946,141,399,204
5. Step 5: Solve for x
   x = 946,141,399,204/443,430
6. Step 6: Final answer
   x = 2,133,688.29