Finding the Third Proportional to 630,439.50 and 1,368,042

Step by Step Solution

1. Step 1: Write the proportion equation
   630,439.50 : 1,368,042 = 1,368,042 : x
2. Step 2: Convert to fraction form
   630,439.50/1,368,042 = 1,368,042/x
3. Step 3: Cross multiply
   630,439.50x = 1,368,042 × 1,368,042
4. Step 4: Simplify right side
   630,439.50x = 1,871,538,913,764
5. Step 5: Solve for x
   x = 1,871,538,913,764/630,439.50
6. Step 6: Final answer
   x = 2,968,625.72