Finding the Third Proportional to 630,978 and 1,368,983

Step by Step Solution

1. Step 1: Write the proportion equation
   630,978 : 1,368,983 = 1,368,983 : x
2. Step 2: Convert to fraction form
   630,978/1,368,983 = 1,368,983/x
3. Step 3: Cross multiply
   630,978x = 1,368,983 × 1,368,983
4. Step 4: Simplify right side
   630,978x = 1,874,114,454,289
5. Step 5: Solve for x
   x = 1,874,114,454,289/630,978
6. Step 6: Final answer
   x = 2,970,174.01