Finding the Third Proportional to 774,256 and 1,153,056

Step by Step Solution

1. Step 1: Write the proportion equation
   774,256 : 1,153,056 = 1,153,056 : x
2. Step 2: Convert to fraction form
   774,256/1,153,056 = 1,153,056/x
3. Step 3: Cross multiply
   774,256x = 1,153,056 × 1,153,056
4. Step 4: Simplify right side
   774,256x = 1,329,538,139,136
5. Step 5: Solve for x
   x = 1,329,538,139,136/774,256
6. Step 6: Final answer
   x = 1,717,181.58