Finding the Third Proportional to 4,486,038 and 9,868,860

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,038 : 9,868,860 = 9,868,860 : x
2. Step 2: Convert to fraction form
   4,486,038/9,868,860 = 9,868,860/x
3. Step 3: Cross multiply
   4,486,038x = 9,868,860 × 9,868,860
4. Step 4: Simplify right side
   4,486,038x = 97,394,397,699,600
5. Step 5: Solve for x
   x = 97,394,397,699,600/4,486,038
6. Step 6: Final answer
   x = 21,710,560.12