Finding the Third Proportional to 774,750 and 1,686,684

Step by Step Solution

1. Step 1: Write the proportion equation
   774,750 : 1,686,684 = 1,686,684 : x
2. Step 2: Convert to fraction form
   774,750/1,686,684 = 1,686,684/x
3. Step 3: Cross multiply
   774,750x = 1,686,684 × 1,686,684
4. Step 4: Simplify right side
   774,750x = 2,844,902,915,856
5. Step 5: Solve for x
   x = 2,844,902,915,856/774,750
6. Step 6: Final answer
   x = 3,672,027.00