Finding the Third Proportional to 1,478,928 and 2,113,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,928 : 2,113,416 = 2,113,416 : x
2. Step 2: Convert to fraction form
   1,478,928/2,113,416 = 2,113,416/x
3. Step 3: Cross multiply
   1,478,928x = 2,113,416 × 2,113,416
4. Step 4: Simplify right side
   1,478,928x = 4,466,527,189,056
5. Step 5: Solve for x
   x = 4,466,527,189,056/1,478,928
6. Step 6: Final answer
   x = 3,020,111.32