Finding the Third Proportional to 978,542 and 1,377,997

Step by Step Solution

1. Step 1: Write the proportion equation
   978,542 : 1,377,997 = 1,377,997 : x
2. Step 2: Convert to fraction form
   978,542/1,377,997 = 1,377,997/x
3. Step 3: Cross multiply
   978,542x = 1,377,997 × 1,377,997
4. Step 4: Simplify right side
   978,542x = 1,898,875,732,009
5. Step 5: Solve for x
   x = 1,898,875,732,009/978,542
6. Step 6: Final answer
   x = 1,940,515.31