Finding the Third Proportional to 4,591,586 and 10,009,900

Step by Step Solution

1. Step 1: Write the proportion equation
   4,591,586 : 10,009,900 = 10,009,900 : x
2. Step 2: Convert to fraction form
   4,591,586/10,009,900 = 10,009,900/x
3. Step 3: Cross multiply
   4,591,586x = 10,009,900 × 10,009,900
4. Step 4: Simplify right side
   4,591,586x = 100,198,098,010,000
5. Step 5: Solve for x
   x = 100,198,098,010,000/4,591,586
6. Step 6: Final answer
   x = 21,822,110.71