Finding the Third Proportional to 5,006,575 and 10,278,560

Step by Step Solution

1. Step 1: Write the proportion equation
   5,006,575 : 10,278,560 = 10,278,560 : x
2. Step 2: Convert to fraction form
   5,006,575/10,278,560 = 10,278,560/x
3. Step 3: Cross multiply
   5,006,575x = 10,278,560 × 10,278,560
4. Step 4: Simplify right side
   5,006,575x = 105,648,795,673,600
5. Step 5: Solve for x
   x = 105,648,795,673,600/5,006,575
6. Step 6: Final answer
   x = 21,102,009.99