Finding the Third Proportional to 492,623 and 1,066,211

Step by Step Solution

1. Step 1: Write the proportion equation
   492,623 : 1,066,211 = 1,066,211 : x
2. Step 2: Convert to fraction form
   492,623/1,066,211 = 1,066,211/x
3. Step 3: Cross multiply
   492,623x = 1,066,211 × 1,066,211
4. Step 4: Simplify right side
   492,623x = 1,136,805,896,521
5. Step 5: Solve for x
   x = 1,136,805,896,521/492,623
6. Step 6: Final answer
   x = 2,307,658.99