Finding the Third Proportional to 17,642,938 and 38,218,036

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,938 : 38,218,036 = 38,218,036 : x
2. Step 2: Convert to fraction form
   17,642,938/38,218,036 = 38,218,036/x
3. Step 3: Cross multiply
   17,642,938x = 38,218,036 × 38,218,036
4. Step 4: Simplify right side
   17,642,938x = 1,460,618,275,697,296
5. Step 5: Solve for x
   x = 1,460,618,275,697,296/17,642,938
6. Step 6: Final answer
   x = 82,787,700.99