Finding the Third Proportional to 813,605 and 1,749,655

Step by Step Solution

1. Step 1: Write the proportion equation
   813,605 : 1,749,655 = 1,749,655 : x
2. Step 2: Convert to fraction form
   813,605/1,749,655 = 1,749,655/x
3. Step 3: Cross multiply
   813,605x = 1,749,655 × 1,749,655
4. Step 4: Simplify right side
   813,605x = 3,061,292,619,025
5. Step 5: Solve for x
   x = 3,061,292,619,025/813,605
6. Step 6: Final answer
   x = 3,762,627.59