Finding the Third Proportional to 17,729,828 and 38,822,644

Step by Step Solution

1. Step 1: Write the proportion equation
   17,729,828 : 38,822,644 = 38,822,644 : x
2. Step 2: Convert to fraction form
   17,729,828/38,822,644 = 38,822,644/x
3. Step 3: Cross multiply
   17,729,828x = 38,822,644 × 38,822,644
4. Step 4: Simplify right side
   17,729,828x = 1,507,197,687,150,736
5. Step 5: Solve for x
   x = 1,507,197,687,150,736/17,729,828
6. Step 6: Final answer
   x = 85,009,154.47