Finding the Third Proportional to 630,129 and 1,382,730

Step by Step Solution

1. Step 1: Write the proportion equation
   630,129 : 1,382,730 = 1,382,730 : x
2. Step 2: Convert to fraction form
   630,129/1,382,730 = 1,382,730/x
3. Step 3: Cross multiply
   630,129x = 1,382,730 × 1,382,730
4. Step 4: Simplify right side
   630,129x = 1,911,942,252,900
5. Step 5: Solve for x
   x = 1,911,942,252,900/630,129
6. Step 6: Final answer
   x = 3,034,207.68