Finding the Third Proportional to 815,757 and 1,146,726

Step by Step Solution

1. Step 1: Write the proportion equation
   815,757 : 1,146,726 = 1,146,726 : x
2. Step 2: Convert to fraction form
   815,757/1,146,726 = 1,146,726/x
3. Step 3: Cross multiply
   815,757x = 1,146,726 × 1,146,726
4. Step 4: Simplify right side
   815,757x = 1,314,980,519,076
5. Step 5: Solve for x
   x = 1,314,980,519,076/815,757
6. Step 6: Final answer
   x = 1,611,975.77