Finding the Third Proportional to 978,501 and 1,377,945

Step by Step Solution

1. Step 1: Write the proportion equation
   978,501 : 1,377,945 = 1,377,945 : x
2. Step 2: Convert to fraction form
   978,501/1,377,945 = 1,377,945/x
3. Step 3: Cross multiply
   978,501x = 1,377,945 × 1,377,945
4. Step 4: Simplify right side
   978,501x = 1,898,732,423,025
5. Step 5: Solve for x
   x = 1,898,732,423,025/978,501
6. Step 6: Final answer
   x = 1,940,450.16