Finding the Third Proportional to 506,397 and 1,109,418

Step by Step Solution

1. Step 1: Write the proportion equation
   506,397 : 1,109,418 = 1,109,418 : x
2. Step 2: Convert to fraction form
   506,397/1,109,418 = 1,109,418/x
3. Step 3: Cross multiply
   506,397x = 1,109,418 × 1,109,418
4. Step 4: Simplify right side
   506,397x = 1,230,808,298,724
5. Step 5: Solve for x
   x = 1,230,808,298,724/506,397
6. Step 6: Final answer
   x = 2,430,520.52