Finding the Third Proportional to 545,256 and 1,117,710

Step by Step Solution

1. Step 1: Write the proportion equation
   545,256 : 1,117,710 = 1,117,710 : x
2. Step 2: Convert to fraction form
   545,256/1,117,710 = 1,117,710/x
3. Step 3: Cross multiply
   545,256x = 1,117,710 × 1,117,710
4. Step 4: Simplify right side
   545,256x = 1,249,275,644,100
5. Step 5: Solve for x
   x = 1,249,275,644,100/545,256
6. Step 6: Final answer
   x = 2,291,172.67