Finding the Third Proportional to 772,779 and 1,182,117

Step by Step Solution

1. Step 1: Write the proportion equation
   772,779 : 1,182,117 = 1,182,117 : x
2. Step 2: Convert to fraction form
   772,779/1,182,117 = 1,182,117/x
3. Step 3: Cross multiply
   772,779x = 1,182,117 × 1,182,117
4. Step 4: Simplify right side
   772,779x = 1,397,400,601,689
5. Step 5: Solve for x
   x = 1,397,400,601,689/772,779
6. Step 6: Final answer
   x = 1,808,279.73