Finding the Third Proportional to 684,825 and 1,064,538

Step by Step Solution

1. Step 1: Write the proportion equation
   684,825 : 1,064,538 = 1,064,538 : x
2. Step 2: Convert to fraction form
   684,825/1,064,538 = 1,064,538/x
3. Step 3: Cross multiply
   684,825x = 1,064,538 × 1,064,538
4. Step 4: Simplify right side
   684,825x = 1,133,241,153,444
5. Step 5: Solve for x
   x = 1,133,241,153,444/684,825
6. Step 6: Final answer
   x = 1,654,789.40