Finding the Third Proportional to 978,536 and 1,377,988

Step by Step Solution

1. Step 1: Write the proportion equation
   978,536 : 1,377,988 = 1,377,988 : x
2. Step 2: Convert to fraction form
   978,536/1,377,988 = 1,377,988/x
3. Step 3: Cross multiply
   978,536x = 1,377,988 × 1,377,988
4. Step 4: Simplify right side
   978,536x = 1,898,850,928,144
5. Step 5: Solve for x
   x = 1,898,850,928,144/978,536
6. Step 6: Final answer
   x = 1,940,501.86