Finding the Third Proportional to 560,778 and 1,230,122

Step by Step Solution

1. Step 1: Write the proportion equation
   560,778 : 1,230,122 = 1,230,122 : x
2. Step 2: Convert to fraction form
   560,778/1,230,122 = 1,230,122/x
3. Step 3: Cross multiply
   560,778x = 1,230,122 × 1,230,122
4. Step 4: Simplify right side
   560,778x = 1,513,200,134,884
5. Step 5: Solve for x
   x = 1,513,200,134,884/560,778
6. Step 6: Final answer
   x = 2,698,394.26