Finding the Third Proportional to 770,366 and 1,109,643

Step by Step Solution

1. Step 1: Write the proportion equation
   770,366 : 1,109,643 = 1,109,643 : x
2. Step 2: Convert to fraction form
   770,366/1,109,643 = 1,109,643/x
3. Step 3: Cross multiply
   770,366x = 1,109,643 × 1,109,643
4. Step 4: Simplify right side
   770,366x = 1,231,307,587,449
5. Step 5: Solve for x
   x = 1,231,307,587,449/770,366
6. Step 6: Final answer
   x = 1,598,341.03