Finding the Third Proportional to 545,262 and 1,117,722

Step by Step Solution

1. Step 1: Write the proportion equation
   545,262 : 1,117,722 = 1,117,722 : x
2. Step 2: Convert to fraction form
   545,262/1,117,722 = 1,117,722/x
3. Step 3: Cross multiply
   545,262x = 1,117,722 × 1,117,722
4. Step 4: Simplify right side
   545,262x = 1,249,302,469,284
5. Step 5: Solve for x
   x = 1,249,302,469,284/545,262
6. Step 6: Final answer
   x = 2,291,196.65