Finding the Third Proportional to 19,534,686 and 42,431,196

Step by Step Solution

1. Step 1: Write the proportion equation
   19,534,686 : 42,431,196 = 42,431,196 : x
2. Step 2: Convert to fraction form
   19,534,686/42,431,196 = 42,431,196/x
3. Step 3: Cross multiply
   19,534,686x = 42,431,196 × 42,431,196
4. Step 4: Simplify right side
   19,534,686x = 1,800,406,393,990,416
5. Step 5: Solve for x
   x = 1,800,406,393,990,416/19,534,686
6. Step 6: Final answer
   x = 92,164,593.48