Finding the Third Proportional to 777,512 and 1,269,606

Step by Step Solution

1. Step 1: Write the proportion equation
   777,512 : 1,269,606 = 1,269,606 : x
2. Step 2: Convert to fraction form
   777,512/1,269,606 = 1,269,606/x
3. Step 3: Cross multiply
   777,512x = 1,269,606 × 1,269,606
4. Step 4: Simplify right side
   777,512x = 1,611,899,395,236
5. Step 5: Solve for x
   x = 1,611,899,395,236/777,512
6. Step 6: Final answer
   x = 2,073,150.50