Finding the Third Proportional to 772,740 and 1,629,384

Step by Step Solution

1. Step 1: Write the proportion equation
   772,740 : 1,629,384 = 1,629,384 : x
2. Step 2: Convert to fraction form
   772,740/1,629,384 = 1,629,384/x
3. Step 3: Cross multiply
   772,740x = 1,629,384 × 1,629,384
4. Step 4: Simplify right side
   772,740x = 2,654,892,219,456
5. Step 5: Solve for x
   x = 2,654,892,219,456/772,740
6. Step 6: Final answer
   x = 3,435,686.28