Finding the Third Proportional to 443,770 and 972,012

Step by Step Solution

1. Step 1: Write the proportion equation
   443,770 : 972,012 = 972,012 : x
2. Step 2: Convert to fraction form
   443,770/972,012 = 972,012/x
3. Step 3: Cross multiply
   443,770x = 972,012 × 972,012
4. Step 4: Simplify right side
   443,770x = 944,807,328,144
5. Step 5: Solve for x
   x = 944,807,328,144/443,770
6. Step 6: Final answer
   x = 2,129,047.32