Finding the Third Proportional to 678,902 and 1,413,584

Step by Step Solution

1. Step 1: Write the proportion equation
   678,902 : 1,413,584 = 1,413,584 : x
2. Step 2: Convert to fraction form
   678,902/1,413,584 = 1,413,584/x
3. Step 3: Cross multiply
   678,902x = 1,413,584 × 1,413,584
4. Step 4: Simplify right side
   678,902x = 1,998,219,725,056
5. Step 5: Solve for x
   x = 1,998,219,725,056/678,902
6. Step 6: Final answer
   x = 2,943,311.00