Finding the Third Proportional to 772,786 and 1,182,126

Step by Step Solution

1. Step 1: Write the proportion equation
   772,786 : 1,182,126 = 1,182,126 : x
2. Step 2: Convert to fraction form
   772,786/1,182,126 = 1,182,126/x
3. Step 3: Cross multiply
   772,786x = 1,182,126 × 1,182,126
4. Step 4: Simplify right side
   772,786x = 1,397,421,879,876
5. Step 5: Solve for x
   x = 1,397,421,879,876/772,786
6. Step 6: Final answer
   x = 1,808,290.89