Finding the Third Proportional to 4,098,978 and 6,548,211

Step by Step Solution

1. Step 1: Write the proportion equation
   4,098,978 : 6,548,211 = 6,548,211 : x
2. Step 2: Convert to fraction form
   4,098,978/6,548,211 = 6,548,211/x
3. Step 3: Cross multiply
   4,098,978x = 6,548,211 × 6,548,211
4. Step 4: Simplify right side
   4,098,978x = 42,879,067,300,521
5. Step 5: Solve for x
   x = 42,879,067,300,521/4,098,978
6. Step 6: Final answer
   x = 10,460,916.67