Finding the Third Proportional to 17,757,317 and 38,209,666

Step by Step Solution

1. Step 1: Write the proportion equation
   17,757,317 : 38,209,666 = 38,209,666 : x
2. Step 2: Convert to fraction form
   17,757,317/38,209,666 = 38,209,666/x
3. Step 3: Cross multiply
   17,757,317x = 38,209,666 × 38,209,666
4. Step 4: Simplify right side
   17,757,317x = 1,459,978,575,831,556
5. Step 5: Solve for x
   x = 1,459,978,575,831,556/17,757,317
6. Step 6: Final answer
   x = 82,218,421.61