Finding the Third Proportional to 1,375,928 and 2,918,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,928 : 2,918,368 = 2,918,368 : x
2. Step 2: Convert to fraction form
   1,375,928/2,918,368 = 2,918,368/x
3. Step 3: Cross multiply
   1,375,928x = 2,918,368 × 2,918,368
4. Step 4: Simplify right side
   1,375,928x = 8,516,871,783,424
5. Step 5: Solve for x
   x = 8,516,871,783,424/1,375,928
6. Step 6: Final answer
   x = 6,189,910.94