Finding the Third Proportional to 765,487 and 1,647,965

Step by Step Solution

1. Step 1: Write the proportion equation
   765,487 : 1,647,965 = 1,647,965 : x
2. Step 2: Convert to fraction form
   765,487/1,647,965 = 1,647,965/x
3. Step 3: Cross multiply
   765,487x = 1,647,965 × 1,647,965
4. Step 4: Simplify right side
   765,487x = 2,715,788,641,225
5. Step 5: Solve for x
   x = 2,715,788,641,225/765,487
6. Step 6: Final answer
   x = 3,547,791.98