Finding the Third Proportional to 1,081,749 and 1,681,605

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,749 : 1,681,605 = 1,681,605 : x
2. Step 2: Convert to fraction form
   1,081,749/1,681,605 = 1,681,605/x
3. Step 3: Cross multiply
   1,081,749x = 1,681,605 × 1,681,605
4. Step 4: Simplify right side
   1,081,749x = 2,827,795,376,025
5. Step 5: Solve for x
   x = 2,827,795,376,025/1,081,749
6. Step 6: Final answer
   x = 2,614,095.67