Finding the Third Proportional to 664,848 and 1,368,900

Step by Step Solution

1. Step 1: Write the proportion equation
   664,848 : 1,368,900 = 1,368,900 : x
2. Step 2: Convert to fraction form
   664,848/1,368,900 = 1,368,900/x
3. Step 3: Cross multiply
   664,848x = 1,368,900 × 1,368,900
4. Step 4: Simplify right side
   664,848x = 1,873,887,210,000
5. Step 5: Solve for x
   x = 1,873,887,210,000/664,848
6. Step 6: Final answer
   x = 2,818,519.74