Finding the Third Proportional to 777,708 and 1,199,730

Step by Step Solution

1. Step 1: Write the proportion equation
   777,708 : 1,199,730 = 1,199,730 : x
2. Step 2: Convert to fraction form
   777,708/1,199,730 = 1,199,730/x
3. Step 3: Cross multiply
   777,708x = 1,199,730 × 1,199,730
4. Step 4: Simplify right side
   777,708x = 1,439,352,072,900
5. Step 5: Solve for x
   x = 1,439,352,072,900/777,708
6. Step 6: Final answer
   x = 1,850,761.56