Finding the Third Proportional to 774,510 and 1,677,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   774,510 : 1,677,685.50 = 1,677,685.50 : x
2. Step 2: Convert to fraction form
   774,510/1,677,685.50 = 1,677,685.50/x
3. Step 3: Cross multiply
   774,510x = 1,677,685.50 × 1,677,685.50
4. Step 4: Simplify right side
   774,510x = 2,814,628,636,910.25
5. Step 5: Solve for x
   x = 2,814,628,636,910.25/774,510
6. Step 6: Final answer
   x = 3,634,076.56