Finding the Third Proportional to 571,528 and 1,221,792

Step by Step Solution

1. Step 1: Write the proportion equation
   571,528 : 1,221,792 = 1,221,792 : x
2. Step 2: Convert to fraction form
   571,528/1,221,792 = 1,221,792/x
3. Step 3: Cross multiply
   571,528x = 1,221,792 × 1,221,792
4. Step 4: Simplify right side
   571,528x = 1,492,775,691,264
5. Step 5: Solve for x
   x = 1,492,775,691,264/571,528
6. Step 6: Final answer
   x = 2,611,902.99