Finding the Third Proportional to 4,949,928 and 7,876,386

Step by Step Solution

1. Step 1: Write the proportion equation
   4,949,928 : 7,876,386 = 7,876,386 : x
2. Step 2: Convert to fraction form
   4,949,928/7,876,386 = 7,876,386/x
3. Step 3: Cross multiply
   4,949,928x = 7,876,386 × 7,876,386
4. Step 4: Simplify right side
   4,949,928x = 62,037,456,420,996
5. Step 5: Solve for x
   x = 62,037,456,420,996/4,949,928
6. Step 6: Final answer
   x = 12,533,001.78