Finding the Third Proportional to 630,139 and 1,382,749

Step by Step Solution

1. Step 1: Write the proportion equation
   630,139 : 1,382,749 = 1,382,749 : x
2. Step 2: Convert to fraction form
   630,139/1,382,749 = 1,382,749/x
3. Step 3: Cross multiply
   630,139x = 1,382,749 × 1,382,749
4. Step 4: Simplify right side
   630,139x = 1,911,994,797,001
5. Step 5: Solve for x
   x = 1,911,994,797,001/630,139
6. Step 6: Final answer
   x = 3,034,242.92