Finding the Third Proportional to 6,978,896 and 10,503,288

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,896 : 10,503,288 = 10,503,288 : x
2. Step 2: Convert to fraction form
   6,978,896/10,503,288 = 10,503,288/x
3. Step 3: Cross multiply
   6,978,896x = 10,503,288 × 10,503,288
4. Step 4: Simplify right side
   6,978,896x = 110,319,058,810,944
5. Step 5: Solve for x
   x = 110,319,058,810,944/6,978,896
6. Step 6: Final answer
   x = 15,807,522.97