Finding the Third Proportional to 772,407 and 1,682,118

Step by Step Solution

1. Step 1: Write the proportion equation
   772,407 : 1,682,118 = 1,682,118 : x
2. Step 2: Convert to fraction form
   772,407/1,682,118 = 1,682,118/x
3. Step 3: Cross multiply
   772,407x = 1,682,118 × 1,682,118
4. Step 4: Simplify right side
   772,407x = 2,829,520,965,924
5. Step 5: Solve for x
   x = 2,829,520,965,924/772,407
6. Step 6: Final answer
   x = 3,663,251.32