Finding the Third Proportional to 4,201,232 and 9,162,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,201,232 : 9,162,912 = 9,162,912 : x
2. Step 2: Convert to fraction form
   4,201,232/9,162,912 = 9,162,912/x
3. Step 3: Cross multiply
   4,201,232x = 9,162,912 × 9,162,912
4. Step 4: Simplify right side
   4,201,232x = 83,958,956,319,744
5. Step 5: Solve for x
   x = 83,958,956,319,744/4,201,232
6. Step 6: Final answer
   x = 19,984,365.61