Finding the Third Proportional to 630,404 and 1,365,816

Step by Step Solution

1. Step 1: Write the proportion equation
   630,404 : 1,365,816 = 1,365,816 : x
2. Step 2: Convert to fraction form
   630,404/1,365,816 = 1,365,816/x
3. Step 3: Cross multiply
   630,404x = 1,365,816 × 1,365,816
4. Step 4: Simplify right side
   630,404x = 1,865,453,345,856
5. Step 5: Solve for x
   x = 1,865,453,345,856/630,404
6. Step 6: Final answer
   x = 2,959,139.45