Finding the Third Proportional to 4,317,740 and 9,308,086

Step by Step Solution

1. Step 1: Write the proportion equation
   4,317,740 : 9,308,086 = 9,308,086 : x
2. Step 2: Convert to fraction form
   4,317,740/9,308,086 = 9,308,086/x
3. Step 3: Cross multiply
   4,317,740x = 9,308,086 × 9,308,086
4. Step 4: Simplify right side
   4,317,740x = 86,640,464,983,396
5. Step 5: Solve for x
   x = 86,640,464,983,396/4,317,740
6. Step 6: Final answer
   x = 20,066,160.77