Finding the Third Proportional to 4,372,424 and 9,605,716

Step by Step Solution

1. Step 1: Write the proportion equation
   4,372,424 : 9,605,716 = 9,605,716 : x
2. Step 2: Convert to fraction form
   4,372,424/9,605,716 = 9,605,716/x
3. Step 3: Cross multiply
   4,372,424x = 9,605,716 × 9,605,716
4. Step 4: Simplify right side
   4,372,424x = 92,269,779,872,656
5. Step 5: Solve for x
   x = 92,269,779,872,656/4,372,424
6. Step 6: Final answer
   x = 21,102,660.65