Finding the Third Proportional to 678,297.38 and 1,412,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   678,297.38 : 1,412,410.50 = 1,412,410.50 : x
2. Step 2: Convert to fraction form
   678,297.38/1,412,410.50 = 1,412,410.50/x
3. Step 3: Cross multiply
   678,297.38x = 1,412,410.50 × 1,412,410.50
4. Step 4: Simplify right side
   678,297.38x = 1,994,903,420,510.25
5. Step 5: Solve for x
   x = 1,994,903,420,510.25/678,297.38
6. Step 6: Final answer
   x = 2,941,045.47