Finding the Third Proportional to 6,978,894 and 10,503,285

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,894 : 10,503,285 = 10,503,285 : x
2. Step 2: Convert to fraction form
   6,978,894/10,503,285 = 10,503,285/x
3. Step 3: Cross multiply
   6,978,894x = 10,503,285 × 10,503,285
4. Step 4: Simplify right side
   6,978,894x = 110,318,995,791,225
5. Step 5: Solve for x
   x = 110,318,995,791,225/6,978,894
6. Step 6: Final answer
   x = 15,807,518.47