Finding the Third Proportional to 978,499 and 1,377,942

Step by Step Solution

1. Step 1: Write the proportion equation
   978,499 : 1,377,942 = 1,377,942 : x
2. Step 2: Convert to fraction form
   978,499/1,377,942 = 1,377,942/x
3. Step 3: Cross multiply
   978,499x = 1,377,942 × 1,377,942
4. Step 4: Simplify right side
   978,499x = 1,898,724,155,364
5. Step 5: Solve for x
   x = 1,898,724,155,364/978,499
6. Step 6: Final answer
   x = 1,940,445.68