Finding the Third Proportional to 4,826,988 and 7,156,990

Step by Step Solution

1. Step 1: Write the proportion equation
   4,826,988 : 7,156,990 = 7,156,990 : x
2. Step 2: Convert to fraction form
   4,826,988/7,156,990 = 7,156,990/x
3. Step 3: Cross multiply
   4,826,988x = 7,156,990 × 7,156,990
4. Step 4: Simplify right side
   4,826,988x = 51,222,505,860,100
5. Step 5: Solve for x
   x = 51,222,505,860,100/4,826,988
6. Step 6: Final answer
   x = 10,611,691.15