Finding the Third Proportional to 5,579,962 and 7,897,820

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579,962 : 7,897,820 = 7,897,820 : x
2. Step 2: Convert to fraction form
   5,579,962/7,897,820 = 7,897,820/x
3. Step 3: Cross multiply
   5,579,962x = 7,897,820 × 7,897,820
4. Step 4: Simplify right side
   5,579,962x = 62,375,560,752,400
5. Step 5: Solve for x
   x = 62,375,560,752,400/5,579,962
6. Step 6: Final answer
   x = 11,178,492.03