Finding the Third Proportional to 5,218,484 and 10,583,760

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,484 : 10,583,760 = 10,583,760 : x
2. Step 2: Convert to fraction form
   5,218,484/10,583,760 = 10,583,760/x
3. Step 3: Cross multiply
   5,218,484x = 10,583,760 × 10,583,760
4. Step 4: Simplify right side
   5,218,484x = 112,015,975,737,600
5. Step 5: Solve for x
   x = 112,015,975,737,600/5,218,484
6. Step 6: Final answer
   x = 21,465,233.15