Finding the Third Proportional to 521,658 and 1,142,946

Step by Step Solution

1. Step 1: Write the proportion equation
   521,658 : 1,142,946 = 1,142,946 : x
2. Step 2: Convert to fraction form
   521,658/1,142,946 = 1,142,946/x
3. Step 3: Cross multiply
   521,658x = 1,142,946 × 1,142,946
4. Step 4: Simplify right side
   521,658x = 1,306,325,558,916
5. Step 5: Solve for x
   x = 1,306,325,558,916/521,658
6. Step 6: Final answer
   x = 2,504,180.05