Finding the Third Proportional to 557,476 and 1,223,222

Step by Step Solution

1. Step 1: Write the proportion equation
   557,476 : 1,223,222 = 1,223,222 : x
2. Step 2: Convert to fraction form
   557,476/1,223,222 = 1,223,222/x
3. Step 3: Cross multiply
   557,476x = 1,223,222 × 1,223,222
4. Step 4: Simplify right side
   557,476x = 1,496,272,061,284
5. Step 5: Solve for x
   x = 1,496,272,061,284/557,476
6. Step 6: Final answer
   x = 2,684,011.62