Finding the Third Proportional to 779,868 and 1,684,152

Step by Step Solution

1. Step 1: Write the proportion equation
   779,868 : 1,684,152 = 1,684,152 : x
2. Step 2: Convert to fraction form
   779,868/1,684,152 = 1,684,152/x
3. Step 3: Cross multiply
   779,868x = 1,684,152 × 1,684,152
4. Step 4: Simplify right side
   779,868x = 2,836,367,959,104
5. Step 5: Solve for x
   x = 2,836,367,959,104/779,868
6. Step 6: Final answer
   x = 3,636,984.67