Finding the Third Proportional to 783,857 and 1,145,538

Step by Step Solution

1. Step 1: Write the proportion equation
   783,857 : 1,145,538 = 1,145,538 : x
2. Step 2: Convert to fraction form
   783,857/1,145,538 = 1,145,538/x
3. Step 3: Cross multiply
   783,857x = 1,145,538 × 1,145,538
4. Step 4: Simplify right side
   783,857x = 1,312,257,309,444
5. Step 5: Solve for x
   x = 1,312,257,309,444/783,857
6. Step 6: Final answer
   x = 1,674,102.94