Finding the Third Proportional to 4,278,654 and 9,397,008

Step by Step Solution

1. Step 1: Write the proportion equation
   4,278,654 : 9,397,008 = 9,397,008 : x
2. Step 2: Convert to fraction form
   4,278,654/9,397,008 = 9,397,008/x
3. Step 3: Cross multiply
   4,278,654x = 9,397,008 × 9,397,008
4. Step 4: Simplify right side
   4,278,654x = 88,303,759,352,064
5. Step 5: Solve for x
   x = 88,303,759,352,064/4,278,654
6. Step 6: Final answer
   x = 20,638,209.90