Finding the Third Proportional to 766,320 and 1,665,284

Step by Step Solution

1. Step 1: Write the proportion equation
   766,320 : 1,665,284 = 1,665,284 : x
2. Step 2: Convert to fraction form
   766,320/1,665,284 = 1,665,284/x
3. Step 3: Cross multiply
   766,320x = 1,665,284 × 1,665,284
4. Step 4: Simplify right side
   766,320x = 2,773,170,800,656
5. Step 5: Solve for x
   x = 2,773,170,800,656/766,320
6. Step 6: Final answer
   x = 3,618,815.64