Finding the Third Proportional to 630,900 and 1,368,280

Step by Step Solution

1. Step 1: Write the proportion equation
   630,900 : 1,368,280 = 1,368,280 : x
2. Step 2: Convert to fraction form
   630,900/1,368,280 = 1,368,280/x
3. Step 3: Cross multiply
   630,900x = 1,368,280 × 1,368,280
4. Step 4: Simplify right side
   630,900x = 1,872,190,158,400
5. Step 5: Solve for x
   x = 1,872,190,158,400/630,900
6. Step 6: Final answer
   x = 2,967,491.14