Finding the Third Proportional to 575,157 and 1,209,792

Step by Step Solution

1. Step 1: Write the proportion equation
   575,157 : 1,209,792 = 1,209,792 : x
2. Step 2: Convert to fraction form
   575,157/1,209,792 = 1,209,792/x
3. Step 3: Cross multiply
   575,157x = 1,209,792 × 1,209,792
4. Step 4: Simplify right side
   575,157x = 1,463,596,683,264
5. Step 5: Solve for x
   x = 1,463,596,683,264/575,157
6. Step 6: Final answer
   x = 2,544,690.72