Finding the Third Proportional to 4,443,015 and 9,688,848

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443,015 : 9,688,848 = 9,688,848 : x
2. Step 2: Convert to fraction form
   4,443,015/9,688,848 = 9,688,848/x
3. Step 3: Cross multiply
   4,443,015x = 9,688,848 × 9,688,848
4. Step 4: Simplify right side
   4,443,015x = 93,873,775,567,104
5. Step 5: Solve for x
   x = 93,873,775,567,104/4,443,015
6. Step 6: Final answer
   x = 21,128,394.92