Finding the Third Proportional to 711,605 and 1,554,538

Step by Step Solution

1. Step 1: Write the proportion equation
   711,605 : 1,554,538 = 1,554,538 : x
2. Step 2: Convert to fraction form
   711,605/1,554,538 = 1,554,538/x
3. Step 3: Cross multiply
   711,605x = 1,554,538 × 1,554,538
4. Step 4: Simplify right side
   711,605x = 2,416,588,393,444
5. Step 5: Solve for x
   x = 2,416,588,393,444/711,605
6. Step 6: Final answer
   x = 3,395,968.82