Finding the Third Proportional to 777,510 and 1,269,612

Step by Step Solution

1. Step 1: Write the proportion equation
   777,510 : 1,269,612 = 1,269,612 : x
2. Step 2: Convert to fraction form
   777,510/1,269,612 = 1,269,612/x
3. Step 3: Cross multiply
   777,510x = 1,269,612 × 1,269,612
4. Step 4: Simplify right side
   777,510x = 1,611,914,630,544
5. Step 5: Solve for x
   x = 1,611,914,630,544/777,510
6. Step 6: Final answer
   x = 2,073,175.43