Finding the Third Proportional to 503,609 and 1,030,488

Step by Step Solution

1. Step 1: Write the proportion equation
   503,609 : 1,030,488 = 1,030,488 : x
2. Step 2: Convert to fraction form
   503,609/1,030,488 = 1,030,488/x
3. Step 3: Cross multiply
   503,609x = 1,030,488 × 1,030,488
4. Step 4: Simplify right side
   503,609x = 1,061,905,518,144
5. Step 5: Solve for x
   x = 1,061,905,518,144/503,609
6. Step 6: Final answer
   x = 2,108,591.22