Finding the Third Proportional to 779,294 and 1,678,972

Step by Step Solution

1. Step 1: Write the proportion equation
   779,294 : 1,678,972 = 1,678,972 : x
2. Step 2: Convert to fraction form
   779,294/1,678,972 = 1,678,972/x
3. Step 3: Cross multiply
   779,294x = 1,678,972 × 1,678,972
4. Step 4: Simplify right side
   779,294x = 2,818,946,976,784
5. Step 5: Solve for x
   x = 2,818,946,976,784/779,294
6. Step 6: Final answer
   x = 3,617,308.71