Finding the Third Proportional to 5,006,577 and 10,278,564

Step by Step Solution

1. Step 1: Write the proportion equation
   5,006,577 : 10,278,564 = 10,278,564 : x
2. Step 2: Convert to fraction form
   5,006,577/10,278,564 = 10,278,564/x
3. Step 3: Cross multiply
   5,006,577x = 10,278,564 × 10,278,564
4. Step 4: Simplify right side
   5,006,577x = 105,648,877,902,096
5. Step 5: Solve for x
   x = 105,648,877,902,096/5,006,577
6. Step 6: Final answer
   x = 21,102,017.99