Finding the Third Proportional to 17,956,860 and 38,434,872

Step by Step Solution

1. Step 1: Write the proportion equation
   17,956,860 : 38,434,872 = 38,434,872 : x
2. Step 2: Convert to fraction form
   17,956,860/38,434,872 = 38,434,872/x
3. Step 3: Cross multiply
   17,956,860x = 38,434,872 × 38,434,872
4. Step 4: Simplify right side
   17,956,860x = 1,477,239,385,656,384
5. Step 5: Solve for x
   x = 1,477,239,385,656,384/17,956,860
6. Step 6: Final answer
   x = 82,266,018.98