Finding the Third Proportional to 545,724 and 1,113,642

Step by Step Solution

1. Step 1: Write the proportion equation
   545,724 : 1,113,642 = 1,113,642 : x
2. Step 2: Convert to fraction form
   545,724/1,113,642 = 1,113,642/x
3. Step 3: Cross multiply
   545,724x = 1,113,642 × 1,113,642
4. Step 4: Simplify right side
   545,724x = 1,240,198,504,164
5. Step 5: Solve for x
   x = 1,240,198,504,164/545,724
6. Step 6: Final answer
   x = 2,272,574.61